1 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5 Partial revert of revision 112637
6 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7 Dale Johannesen <dalej@apple.com>
10 * regclass.c (struct reg_pref): Update documentation.
11 (regclass): Set prefclass to NO_REGS if memory is the best option.
12 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
16 PR tree-optimization/26821
17 * tree-ssa-math-opts.c (get_constant_one): New.
18 (insert_reciprocals): Use it.
20 2006-04-17 Geoffrey Keating <geoffk@apple.com>
22 * dwarf2out.c (free_AT): Delete.
23 (remove_AT): Update string ref counts.
24 (remove_child_TAG): Don't call free_die.
26 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
28 (prune_unused_types_walk_attribs): Reset string refcounts.
29 (prune_unused_types_update_strings): New.
30 (prune_unused_types_prune): Don't make unnecessary stores. Don't
31 call free_die. Do call prune_unused_types_update_strings.
32 (prune_unused_types): Empty debug_str_hash.
34 2006-04-17 Roger Sayle <roger@eyesopen.com>
36 * expr.c (expand_assignment): Optimize away no-op moves where the
37 source and destination are equal and have no side-effects.
39 2006-04-17 Richard Guenther <rguenther@suse.de>
42 * reload.c (push_reload): Guard calls to get_secondary_mem
45 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
47 * alias.c (reg_base_value, old_reg_base_value): Change the
48 type to VEC(rtx,gc) *.
49 (REG_BASE_VALUE, find_base_value, record_set,
50 init_alias_analysis): Use VEC instead of VARRAY.
52 * alias.c (alias_sets): Change the type to
53 VEC(alias_set_entry,gc) *.
54 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
55 VEC instead of VARRAY.
56 (last_alias_set): Remove.
58 * cgraph.h (cgraph_edge_p): New.
59 Update the prototype of cgraph_function_versioning.
60 * cgraphunit.c (cgraph_copy_node_for_versioning,
61 cgraph_function_versioning): Use VEC instead of VARRAY.
62 * ipa-cp.c (ipcp_insert_stage): Likewise.
64 2006-04-16 Roger Sayle <roger@eyesopen.com>
67 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
68 "A op B" or "A op C", we may need to convert A to the type of B and C.
70 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
72 * target.h (struct gcc_target): Add mode_rep_extended.
73 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
74 (init_num_sign_bit_copies_in_rep): Initialize it using
76 (truncate_to_mode): Use it.
77 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
78 * targhooks.h (default_mode_rep_extended): Declare it.
79 * targhooks.c (default_mode_rep_extended): Define it.
80 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
81 default_mode_rep_extended.
82 (TARGET_INITIALIZER): Include it.
83 * doc/tm.texi (Misc): Document it.
84 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
85 (mips_truncated_to_mode): New function.
87 2006-04-16 Roger Sayle <roger@eyesopen.com>
90 * expr.c (compress_float_constant): Copy the narrow constant into
91 a new pseudo before extending it to its final width.
93 2006-04-16 Roger Sayle <roger@eyesopen.com>
94 Andrew Pinski <pinskia@gcc.gnu.org>
95 Dale Johannesen <dalej@apple.com>
98 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
99 special case code to implement V8HImode and V16QImode with SSE2.
101 2006-04-15 Roger Sayle <roger@eyesopen.com>
103 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
104 trees are constructed with a suitable tree type.
106 2006-04-15 Roger Sayle <roger@eyesopen.com>
108 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
109 (integer_onep): Likewise.
110 (integer_all_onesp): Likewise.
111 (integer_pow2p): Likewise.
112 (integer_nonzerop): Likewise.
113 (real_zerop): Likewise.
114 (real_onep): Likewise.
115 (real_twop): Likewise.
116 (real_minus_onep): Likewise.
117 (int_size_in_bytes): Likewise.
118 (host_integerp): Likewise.
120 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
122 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
123 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
124 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
126 * tree-ssa-structalias.h (alias_info): Remove num_references.
128 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
130 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
131 (output_bvb patterns): Likewise.
132 * pa.c (output_bb): Use 'bb' insn for long branch case.
133 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
134 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
135 1. Correct length operand for alternatives 1 and 2.
136 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
137 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
139 2006-04-14 Roger Sayle <roger@eyesopen.com>
141 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
142 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
143 were accidentally reverted by r112959.
145 2006-04-15 Jakub Jelinek <jakub@redhat.com>
148 * except.h (eh_region_outermost): New prototype.
149 * except.c (eh_region_outermost): New function.
150 * tree-cfg.c (find_outermost_region_in_block): Use it.
152 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
154 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
156 * reload1.c (reg_equiv_memory_loc_varray): Rename to
157 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
158 (init_reload, reload): Use VEC instead of VARRAY.
159 * reload.h: Update the prototype for
160 reg_equiv_memory_loc_varray.
162 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
163 Eric Botcazou <ebotcazou@libertysurf.fr>
165 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
168 2005-04-13 Uros Bizjak <uros@kss-loka.si>
171 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
172 to expand fallback builtin function call.
174 2006-04-14 Alan Modra <amodra@bigpond.net.au>
177 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
178 and emit libcall here in case the builtin fails.
179 (expand_builtin_strcmp): Always emit the libcall here on failure.
181 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
183 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
184 * flow.c (reg_n_info): Change the type to
185 VEC(reg_info_p,heap) *.
186 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
188 * regs.h (reg_info_p): New.
189 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
190 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
191 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
194 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
196 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
198 * params.h (MAX_SCHED_READY_INSNS): New macro.
199 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
200 past MAX_SCHED_READY_INSNS during the first scheduling pass.
201 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
202 the ready list for 1 cycle during the first scheduling pass.
203 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
205 2006-04-13 Richard Henderson <rth@redhat.com>
208 * gimple-low.c (lower_omp_directive): Remove dead code.
209 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
210 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
211 * omp-low.c (struct omp_region): Move to tree-flow.h.
212 (root_omp_region): Export.
213 (omp_regions, lookup_omp_region): Remove.
214 (determine_parallel_type): Update for struct omp_region changes.
215 (dump_omp_region): Dump regions with block numbers.
216 (new_omp_region): Take type and block instead of stmt; malloc
218 (free_omp_region_1, free_omp_regions): New.
219 (expand_parallel_call): Take entry_stmt as argument; update for
220 changes to omp_region.
221 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
222 (remove_exit_barriers): New.
223 (expand_omp_parallel): Update for struct omp_region changes.
224 (expand_omp_synch): Likewise.
225 (expand_omp): Likewise.
226 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
227 (expand_omp_for_static_chunk): Likewise.
228 (expand_omp_for): Likewise.
229 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
230 (expand_omp_sections): Similarly, with GOMP_sections_end.
231 (expand_omp_single): New.
232 (build_omp_regions_1): Update for OMP_CONTINUE.
233 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
234 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
235 OMP_SECTIONS_SECTIONS.
236 (lower_omp_single_simple): Don't emit barrier here.
237 (lower_omp_single_copy): Likewise.
238 (lower_omp_single): Fix bindings, and lower to straightline now.
239 (lower_omp_master, lower_omp_ordered): Likewise.
240 (lower_omp_critical): Likewise.
241 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
242 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
243 omp edges, free it afterward.
244 (make_omp_sections_edges): Remove.
245 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
246 (move_stmt_r): Handle OMP_CONTINUE.
247 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
248 statement pointers to basic blocks. Add type member.
249 (root_omp_region, new_omp_region, free_omp_regions): Declare.
250 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
251 * tree-inline.c (estimate_num_insns_1): Likewise.
252 * tree-pretty-print.c (dump_generic_node): Likewise.
253 * tree-ssa-operands.c (get_expr_operands): Likewise.
254 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
255 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
257 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
258 (OMP_SECTIONS_SECTIONS): Remove.
259 (OMP_SECTION_LAST): New.
260 (OMP_RETURN_NOWAIT): New.
262 2006-04-13 Roger Sayle <roger@eyesopen.com>
264 * fold-const.c (native_encode_vector, native_interpret_real):
265 Correct obvious mistakes in the previous check-in.
267 2006-04-13 Roger Sayle <roger@eyesopen.com>
269 * fold-const.c (native_encode_expr): New function to encode
270 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
271 or VECTOR_CST into a specified buffer.
272 (native_encode_int): New function.
273 (native_encode_real): New function.
274 (native_encode_complex): New function.
275 (native_encode_vector): New function.
276 (native_interpret_expr): Inverse of native_encode_expr to convert
277 a target representation into an INTEGER_CST, REAL_CST etc...
278 (native_interpret_int): New function.
279 (native_interpret_real): New function.
280 (native_interpret_complex): New function.
281 (native_interpret_vector): New function.
282 (fold_view_convert_expr): New function to constant fold/evaluate
283 a VIEW_CONVERT_EXPR of a suitable constant expression.
284 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
285 Change call of build1 to fold_build1 when constructing a
288 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
289 Ulrich Weigand <uweigand@de.ibm.com>
292 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
295 2006-04-13 Alan Modra <amodra@bigpond.net.au>
298 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
299 optimize to lo_sum for DFmode if !TARGET_FPRS.
301 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
303 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
304 delete_alias_info, compute_flow_sensitive_aliasing,
305 group_aliases): Use VEC instead of VARRAY.
306 * tree-ssa-structalias.c (update_alias_info): Likewise.
307 * tree-ssa-structalias.h (alias_info): Change the type of
308 processed_ptrs to VEC(tree,heap) *.
310 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
313 * config/sh/lib1funcs.h: New file, broken out of:
314 * config/sh/lib1funcs.asm.
315 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
317 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
318 * config/sh/lib1funcs-Os-4-200.asm: New file.
319 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
320 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
321 (EXTRA_MULTILIB_PARTS): Include it.
322 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
323 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
324 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
325 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
328 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
330 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
331 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
332 tpa_compact, root_var_init, type_var_init): Use VEC instead of
334 * tree-ssa-live.h: Include vecprim.h.
335 (tree_partition_associator_d): Change the type of
336 first_partition to VEC(int,heap) *.
337 (tpa_first_partition): Use VEC instead of VARRAY.
339 * Makefile.in (GTFILES): Move functions.h after tree.h.
340 * function.c (reset_block_changes, record_block_change,
341 check_block_change, free_block_changes): Use VEC instead of
343 * function.h (function): Change the type of
344 ib_boundaries_block to VEC(tree,gc) *.
345 * tree-inline.c (copy_cfg_body): Initialize
346 ib_boundaries_block to NULL instead of (varray_type) 0.
348 2006-04-12 Roger Sayle <roger@eyesopen.com>
350 * expr.c (emit_group_store): Correct operand order in call to
351 subreg_lowpart_offset. Always create paradoxical SUBREGs with
352 a SUBREG_BYTE of zero.
354 2006-04-12 Richard Guenther <rguenther@suse.de>
356 * profile.c (compute_branch_probabilities): Remove code
357 encapsulated in !ir_type (), which are remanents of the
358 removed RTL profiling code.
359 * rtl-profile.c: Remove.
361 2006-04-12 Alan Modra <amodra@bigpond.net.au>
363 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
364 magic NULL_RTX comment.
365 (function_arg): Store entire fp arg to mem if any part should go
367 (rs6000_arg_partial_bytes): Adjust for above change.
369 2006-04-11 Roger Sayle <roger@eyesopen.com>
371 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
372 if it hasn't been initialized by dwarf2out_init.
374 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
376 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
377 symbolic constants in branch patterns.
379 2006-04-11 Roger Sayle <roger@eyesopen.com>
381 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
383 2006-04-11 Richard Sandiford <richard@codesourcery.com>
385 PR rtl-optimization/27073
386 * gcse.c (try_replace_reg): Revert last change. Continue to search
387 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
390 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
392 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
393 aggregate types other than record and union types.
394 (function_arg): Likewise.
395 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
397 (function_value): In 64-bit mode, return objects that require it
400 2006-04-11 Roger Sayle <roger@eyesopen.com>
402 * dwarf2out.c (premark_used_types): Remove problematic prototype.
404 2006-04-11 Jakub Jelinek <jakub@redhat.com>
406 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
408 2006-04-03 Jeff Law <law@redhat.com>
411 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
412 alias information too.
414 2006-04-10 Mike Frysinger <vapier@gentoo.org>
416 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
418 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
421 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
422 (premark_used_types_helper): New.
423 (premark_used_types): New.
424 (gen_subprogram_die): Call premark_used_types.
425 (prune_unused_types_walk): Do not prune perennial dies.
426 * function.c (used_types_insert): New.
427 * function.h (struct function): Add used_types_hash field.
428 (used_types_insert): Add prototype.
429 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
430 * c-parser.c (c_parser_cast_expression): Save casted types in used
433 2006-04-11 Mark Mitchell <mark@codesourcery.com>
436 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
437 rs6000_explicit_options.float_gprs.
439 2006-04-10 Roger Sayle <roger@eyesopen.com>
441 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
442 from ix86_expand_vector_init_low_nonzero. Take an additional
443 one_var argument indicating which element is non-zero. Support
444 one_var != 0 for V4SFmode and V4SImode by permuting the result.
445 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
446 with one_var instead of ix86_expand_vector_init_low_nonzero.
448 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
450 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
451 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
452 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
453 build/genextract.o): Depend on vecprim.h.
454 * cfglayout.c, df-problems.c, function.c, genextract.c,
455 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
456 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
460 2006-04-10 Geoffrey Keating <geoffk@apple.com>
462 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
463 Declare VECs of this type.
464 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
465 (remove_children): Delete.
466 (add_dwarf_attr): Use VEC routines.
467 (add_AT_flag): Update for changes to add_dwarf_attr.
468 (add_AT_int): Likewise.
469 (add_AT_unsigned): Likewise.
470 (add_AT_long_long): Likewise.
471 (add_AT_vec): Likewise.
472 (add_AT_string): Likewise.
473 (add_AT_die_ref): Likewise.
474 (add_AT_fde_ref): Likewise.
475 (add_AT_loc): Likewise.
476 (add_AT_loc_list): Likewise.
477 (add_AT_addr): Likewise.
478 (add_AT_lbl_id): Likewise.
479 (add_AT_lineptr): Likewise.
480 (add_AT_macptr): Likewise.
481 (add_AT_offset): Likewise.
482 (add_AT_range_list): Likewise.
483 (get_AT): Use VEC_iterate.
484 (remove_AT): Use VEC_ordered_remove.
485 (free_die): Fold remove_children into here; have it use VEC_iterate.
486 (print_die): Use VEC_iterate on attrs.
487 (reverse_die_lists): Don't reverse attr lists.
488 (die_checksum): Use VEC_iterate on attrs.
489 (same_die_p): Likewise.
490 (output_location_lists): Likewise.
491 (build_abbrev_table): Likewise.
492 (size_of_die): Likewise.
493 (unmark_all_dies): Likewise.
494 (output_abbrev_section): Likewise.
495 (output_die): Likewise.
496 (prune_unused_types_walk_attribs): Likewise.
498 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
500 * doc/install.texi (*-*-solaris2*): Point to the configure page.
502 2006-04-10 Jakub Jelinek <jakub@redhat.com>
505 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
507 2006-04-09 Roger Sayle <roger@eyesopen.com>
509 * expr.c (store_constructor): Don't bother clearing target if
510 we're about to assign a vector to it using vec_init_optab.
512 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
514 * tree-ssa-alias.c (lhs_may_store_to): New function.
515 (recalculate_used_alone): Handle LHS of calls.
517 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
521 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
522 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
523 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
524 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
525 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
526 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
527 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
528 stubs. Add ".align 8" directives before all ".dword" directives.
529 (GTHREAD_USE_WEAK): Revise comment.
530 (TARGET_ATTRIBUTE_WEAK): Define.
531 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
532 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
533 * stublib.c: New file.
538 * pa.md (cbranch patterns): Revise arguments used in calls to
539 output_cbranch, output_bb and output_bvd. Add long branch length
541 (fbranch patterns): Handle long branches.
542 (jump): Revise length check. Revise arguments for output_lbranch call.
543 Add long branch length attributes.
544 (decrement_and_branch_until_zero): Add long branch length attributes.
545 (output_movb, output_parallel_addb and output_parallel_movb patterns):
546 Likewise. Revise arguments for output_parallel_addb and
547 output_parallel_movb calls.
548 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
549 output_parallel_movb and output_parallel_addb): Update prototypes.
550 * pa.c (output_cbranch): Revise arguments. Correct handling of
551 nullification in long branches.
552 (output_lbranch): Add new argument to control extraction of delay
554 (output_bb): Handle long branches.
555 (output_bvb, output_dbra, output_movb, output_parallel_movb,
556 output_parallel_addb): Likewise.
558 2006-04-09 Richard Sandiford <richard@codesourcery.com>
560 PR rtl-optimization/27073
561 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
564 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
566 * tree.h (tree_memory_tag): Add old_used_alone.
567 (SMT_OLD_USED_ALONE): New macro.
568 * tree-ssa-alias.c (recalculate_used_alone): Stop
569 marking things for renaming unnecessarily.
571 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
573 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
574 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
575 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
576 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
577 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
578 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
579 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
580 spelling convensions.
581 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
582 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
583 typos. Follow spelling conventions.
585 2006-04-07 DJ Delorie <dj@redhat.com>
587 * config/m32c/m32c.c (m32c_function_arg): Structures are always
589 (m32c_init_cumulative_args): When a function returns a structure,
590 always pass the pointer to that return area on the stack.
591 (m32c_function_arg_advance): Don't increment the parameter number
592 if we're processing the returned structure pointer.
593 (pushm_info): Reverse order of registers.
595 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
597 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
598 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
599 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
600 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
602 * tree-chrec.c (chrec_fold_multiply_poly_poly,
603 chrec_fold_multiply): Same.
604 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
605 force_expr_to_var_cost): Same.
606 * tree-mudflap.c (mf_xform_derefs_1): Same.
607 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
609 2006-04-07 David Edelsohn <edelsohn@gnu.org>
611 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
612 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
615 2006-04-07 Jan Hubicka <jh@suse.cz>
617 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
619 2006-04-07 Richard Guenther <rguenther@suse.de>
621 PR tree-optimization/26135
622 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
623 loads for store copy-prop.
624 (copy_prop_visit_stmt): Likewise.
626 2006-04-05 Robert Millan <robertmh@gnu.org>
628 * gcc/config/i386/linux.h: Add a comment to mark macros that are
629 being overriden in config/k*bsd-gnu.h.
630 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
632 * gcc/config/knetbsd-gnu.h: Ditto.
634 2006-04-06 Jan Hubicka <jh@suse.cz>
638 * coverage.c (coverage_checksum_string): Reorganize loop to not read
641 2006-04-06 Mike Stump <mrs@apple.com>
643 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
644 for HAVE_nonlocal_goto to be consistent.
645 (expand_builtin_nonlocal_goto): Likewise.
646 (expand_builtin_strcmp): Use #ifdef instead of #if
647 for HAVE_cmpstrnsi to be consistent.
649 2006-04-05 DJ Delorie <dj@redhat.com>
651 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
654 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
656 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
657 got-relative addressing for anything but SImode.
659 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
660 even if the calling function doesn't modify them.
662 2006-04-05 Richard Guenther <rguenther@suse.de>
664 PR tree-optimization/26919
665 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
666 to cgraph_estimate_size_after_inlining.
668 2006-04-05 Alan Modra <amodra@bigpond.net.au>
670 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
672 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
674 PR tree-optimization/26996
675 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
676 VECTOR_TYPE variables.
678 2006-04-05 Richard Guenther <rguenther@suse.de>
680 PR tree-optimization/26763
681 * fold-const.c (fold_comparison): Move folding of
682 PTR + CST CMP PTR + CST ...
683 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
685 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
687 * doc/install.texi (Prerequisites): Refine some wording on
688 bootstrapping and ksh.
689 Move the version numbers of DejaGnu here from the testing section
690 and fix casing of names.
691 Fix markup and clarify wording for autogen requirements.
692 Refer to GCJ instead of just java.
693 Refer to SVN instead of CVS.
694 Describe diffutils as useful instead of necessary.
695 (Downloading the source): Refer to SVN instead of CVS.
696 Adjust a link to our web site accordingly.
697 (Configuration): Fix casing of Bison.
698 (Building): Refer to SVN instead of CVS.
699 Fix a sentence on the use of Bison and remove duplicate (and
700 incorrect) version number of Bison requirement.
701 Remove one redundant list of packages needed for building.
702 (Specific): Avoid reference to CVS.
704 2006-04-04 Eric Christopher <echristo@apple.com>
706 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
707 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
708 (rs6000_handle_struct_attribute): New.
709 (rs6000_ms_bitfield_layout_p): Ditto.
711 2006-04-04 Geoffrey Keating <geoffk@apple.com>
713 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
714 NULL for dso parameter to atexit_common.
716 2006-04-04 Eric Christopher <echristo@apple.com>
718 * config/i386/i386.c (machopic_output_stub): Output \t
719 between instructions and operands.
721 2006-04-04 David Edelsohn <edelsohn@gnu.org>
723 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
724 satisfies_constraint_[IL] to explicit tests on value.
726 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
728 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
729 set_nb_iterations_in_loop): Use build_int_cst instead of
731 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
732 build_int_cst instead of convert.
734 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
736 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
737 new value 2 for incoming.
738 * function.c (expand_function_start): Call struct_value_rtx
740 * config/sparc/sparc.md: Comment updated_return.
741 * config/sparc/sparc.opt: Add -mstd-struct-return option.
742 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
743 struct return if sparc_std_struct_return and incoming is 2.
744 (print_operand): Do not adjust return if
745 sparc_std_struct_return.
747 2006-04-04 Roger Sayle <roger@eyesopen.com>
749 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
750 convert in the middle-end.
751 * expr.c (store_expr, store_constructor, get_inner_reference,
752 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
754 * tree.c (build_range_type): Likewise.
756 2006-04-04 Tom Tromey <tromey@redhat.com>
758 * doc/install.texi (Prerequisites): Mention jar.
760 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
762 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
765 2006-04-04 Matthias Klose <doko@debian.org>
767 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
769 2006-04-03 Geoffrey Keating <geoffk@apple.com>
771 * doc/extend.texi (Function Attributes): Rewrite visibility
772 attribute documentation.
773 * doc/invoke.texi (C++ Dialect Options): Rewrite
774 -fvisibility-inlines-hidden documentation to describe something
775 entirely different, although in practise compatible.
776 (Code Gen Options): Warn about system headers in -fvisibiltity=
779 * doc/extend.texi (Other Builtins): Document that
780 __builtin_nan is a compile-time constant only when its argument
783 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
785 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
786 trying to remove TRUNCATE check if all bits outside the new mode
787 are identical to the sign bit.
789 2006-04-03 Jeff Law <law@redhat.com>
791 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
792 and operand scanning in some common cases.
794 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
795 Dale Johannesen <dalej@apple.com>
798 * regclass.c (struct reg_pref): Update documentation.
799 (regclass): Set prefclass to NO_REGS if memory is the best option.
800 (record_reg_classes): Cope with a prefclass set to NO_REGS.
801 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
802 into account. For non-registers, equate an empty preferred
803 reload class to a `!' in the constraint; move the if clause to
804 do so after those that reject the insn.
805 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
807 (find_dummy_reload): Likewise.
808 * doc/tm.texi (Register Classes): Document what it means
809 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
810 * config/i386/i386.c (ix86_preferred_reload_class): Force
811 using SSE registers (and return NO_REGS for floating-point
812 constants) if math is done with SSE.
813 (ix86_preferred_output_reload_class): New.
814 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
815 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
816 * config/i386/i386.md: Remove # register preferences.
818 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
821 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
822 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
824 (instantiate_parameters_1): Convert the operands before calling
825 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
826 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
828 2006-04-02 Roger Sayle <roger@eyesopen.com>
830 * builtins.c (dummy_object): Use build_int_cst instead of convert.
831 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
833 * dojump.c (do_jump): Likewise.
834 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
835 * gimplify.c (gimple_boolify, gimplify_init_constructor,
836 gimplify_boolean_expr): Likewise.
837 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
838 * varasm.c (array_size_for_constructor): Likewise.
839 * tree-object-size.c (compute_object_offset): Likewise.
841 2006-04-02 Roger Sayle <roger@eyesopen.com>
844 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
845 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
847 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
849 PR tree-optimization/26939
850 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
852 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
854 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
855 at_stmt. Convert the type of operands before calling
856 build_polynomial_chrec.
857 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
859 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
860 (instantiate_parameters_1): Convert the type of operands before calling
861 build_polynomial_chrec.
862 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
863 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
864 reset_evolution_in_loop): Insert asserts to check the types of the
866 (chrec_type): Moved...
867 (eq_evolutions_p): Use operand_equal_p.
868 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
869 the types of the operands.
870 (chrec_type): ...here.
871 * tree-data-ref.c (create_data_ref): Convert the operands before
872 calling chrec_replace_initial_condition.
873 (same_access_functions, analyze_subscript_affine_affine,
874 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
875 (compute_subscript_distance, analyze_ziv_subscript,
876 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
877 analyze_miv_subscript): Convert the operands before calling
878 chrec_fold_minus or chrec_fold_plus.
880 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
882 * tree-data-ref.c (compute_all_dependences): Use a pointer to
883 the dependence_relations vector.
884 (compute_data_dependences_for_loop): Adjust call to
885 compute_all_dependences.
887 2006-04-01 Roger Sayle <roger@eyesopen.com>
888 Richard Henderson <rth@redhat.com>
890 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
891 gimple_boolify on the condition before calling gimplify_expr.
893 2006-03-31 Bob Wilson <bob.wilson@acm.org>
895 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
896 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
897 the frame size. Update to use the new macros.
898 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
899 * config/xtensa/ieee754-df.S: Likewise.
901 2006-03-31 Richard Henderson <rth@redhat.com>
903 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
904 (make_edges): ... here. Control fallthru creation with a local
905 variable. Do not play with fake edges.
906 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
907 (make_goto_expr_edges): Don't play with fake edges. Make for_call
910 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
912 * dwarf2.h (DW64_CIE_ID): Define.
913 * dwarf2out.c (DWARF_CIE_ID): Define.
914 (output_call_frame_info): Output 0xffffffff before standard 8-byte
915 length header. Use DWARF_CIE_ID.
916 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
917 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
919 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
921 * config/sh/linux-atomic.asm: New file.
922 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
924 2006-03-31 DJ Delorie <dj@redhat.com>
926 * config/m32c/cond.md: Set condition flags properly throughout.
927 * config/m32c/minmax.md: Likewise.
928 * config/m32c/prologue.md: Likewise.
929 * config/m32c/bitops.md: Likewise.
930 * config/m32c/muldiv.md: Likewise.
931 * config/m32c/mov.md: Likewise.
932 * config/m32c/addsub.md: Likewise.
933 * config/m32c/m32c.md: Likewise.
934 * config/m32c/jump.md: Likewise.
935 * config/m32c/shift.md: Likewise.
937 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
938 conditionally output the pattern for this.
939 * config/m32c/m32c.c (flags_needed_for_conditional): New.
940 (m32c_compare_redundant): New.
941 (m32c_output_compare): New.
942 * config/m32c/m32c-protos.h (m32c_output_compare): New.
944 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
945 dest, not src. Allow other 4-byte modes.
947 2006-03-30 Denis Chertykov <denisc@overta.ru>
949 * doc/md.texi: Refer to avr/constraints.md instead of
952 2006-03-30 Roger Sayle <roger@eyesopen.com>
954 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
955 signed vs. unsigned comparison failures on some hosts.
957 2006-03-31 Alan Modra <amodra@bigpond.net.au>
960 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
961 change to FLOAT_REGS.
963 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
964 (rs6000_override_options): Use it.
965 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
966 only for -mabi=spe/no-spe and -mabi=altivec.
968 2006-03-30 Geoffrey Keating <geoffk@apple.com>
970 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
973 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
975 * Makefile.in: Rename docdir to gcc_docdir.
977 2006-03-30 Roger Sayle <roger@eyesopen.com>
980 * expr.c (emit_group_store): Optimize group stores into a pseudo
981 register by using a paradoxical subreg to initialize the destination
982 if the first or last member of the group specifies a "low part".
984 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
987 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
988 * target.h (struct gcc_target.speculate_insn): Change type of the
989 second parameter to 'int'.
990 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
991 the second operand of the DEPS_LIST.
992 (copy_DEPS_LIST_list): Update reference to the second operand of the
994 * rtl.h (alloc_DEPS_LIST): Update signature.
995 * sched-int.h (ds_t): Change typedef to 'int'.
996 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
998 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1000 * haifa-sched.c (try_ready): Change condition to restore
1001 non-speculative pattern of the instruction.
1002 (process_insn_depend_be_in_spec): Code to keep probability of the
1003 speculative dependence non-decreasing.
1005 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1007 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1008 (single_move_for_movmem): ... this. Also change all uses.
1009 (bfin_expand_strmov): Renamed to...
1010 (bfin_expand_movmem): ... this. Also change all uses.
1011 * config/bfin/bfin.md (movstrsi): Renamed to...
1012 (movstrsi): ...this.
1014 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1016 PR tree-optimization/26830
1018 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1019 (copy_prop_visit_stmt): Remove write-only variable ann.
1020 (init_copy_prop): Check variable loop depth here. Do not simulate
1021 memory-tag and virtual operand PHIs except for store copy prop.
1023 2006-03-30 Richard Guenther <rguenther@suse.de>
1025 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1026 variants with double arguments.
1028 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1030 * genpreds.c (write_tm_constrs_h): Delete variable p.
1031 * genconditions.c (write_header): Add tm-constrs.h to included
1033 * genpeep.c (main): Add toplev.h to included headers.
1034 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1035 (build/genpeep.o): Add toplev.h dependency.
1036 * config/rs6000/constraints.md: Add "W" constraint.
1038 2006-03-29 Roger Sayle <roger@eyesopen.com>
1040 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1041 sizes by correctly testing whether the size fits a host integer.
1042 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1043 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1044 SImode range for the default sizetype and bitsizetype.
1046 2006-03-29 Roger Sayle <roger@eyesopen.com>
1048 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1049 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1050 quickly if the argument is already of the correct type.
1051 Call fold_build1 instead of build1. Tidy up blank lines.
1053 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1055 * genemit.c (main): Add tm-constrs.h to included headers.
1056 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1057 * genpeep.c (main): Add tm-constrs.h to included headers.
1058 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1059 (write_tm_constrs_h): this and write complete file.
1060 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1061 (write_insn_preds_c): Add tm-constrs.h to included headers.
1062 (gen_constrs): New variable.
1063 (parse_option): Parse "-c".
1064 (main): Invoke write_tm_constrs_h.
1065 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1066 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1067 (object_out_file): Add tm-constrs.h dependency.
1068 (insn-emit.o): Same.
1069 (insn-output.o): Same.
1070 (insn-peep.o): Same.
1071 (insn-preds.o): Same.
1072 (insn-recog.o): Same.
1073 (tm-constsr.h): New target.
1074 (s-constrs-h): New target.
1076 * config/rs6000/constraints.md: New file.
1077 * config/rs6000/rs6000.c: Include tm-constrs.h.
1078 (num_insn_constant_wide): Convert to satisfies_constraint.
1079 (rs6000_rtx_costs): Convert to satisfies_constraint.
1080 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1081 (CONST_OK_FOR_LETTER_P): Delete.
1082 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1083 (EXTRA_CONSTRAINT): Delete.
1084 (EXTRA_MEMORY_CONSTRAINT): Delete.
1085 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1086 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1087 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1088 satisfies_constraint.
1090 * config/i386/i386.c: Include tm-constrs.h.
1092 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1094 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1095 * tree-data-ref.c (find_data_references_in_loop,
1096 compute_data_dependences_for_loop): Use pointers to VEC.
1097 (analyze_all_data_dependences): Adjust calls.
1098 * tree-data-ref.h (find_data_references_in_loop,
1099 compute_data_dependences_for_loop): Adjust declarations.
1100 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1101 compute_data_dependences_for_loop.
1103 2006-03-29 Paul Brook <paul@codesourcery.com>
1105 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1108 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1110 PR tree-optimization/26859
1111 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1113 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1114 for the step after fold_convert.
1116 2006-03-29 Paul Brook <paul@codesourcery.com>
1118 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1119 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1121 2006-03-29 Paul Brook <paul@codesourcery.com>
1124 * targhooks.c (default_narrow_bitfield): New fuction.
1125 * targhooks.h (default_narrow_bitfield): add prototype.
1126 * target.h (gcc_target): Add narrow_volatile_bitfield.
1127 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1128 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1129 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1130 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1132 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1134 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1136 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1137 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1138 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1139 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1140 (s390_function_arg_float): Allow SDmode and DDmode values to be
1141 passed in floating point registers.
1142 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1143 check with SCALAR_FLOAT_MODE_P.
1144 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1146 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1148 PR tree-optimization/25985
1149 * tree-ssa-loop-niter.c (number_of_iterations_le,
1150 number_of_iterations_ne): Make comments more precise.
1151 (number_of_iterations_cond): Add only_exit argument. Use the
1152 fact that signed variables do not overflow only when only_exit
1154 (loop_only_exit_p): New.
1155 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1156 number_of_iterations_cond.
1158 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1160 PR tree-optimization/26643
1161 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1164 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1166 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1167 (divsi3_i4_int): Likewise.
1169 2006-03-28 Roger Sayle <roger@eyesopen.com>
1171 * expr.c (emit_group_store): Only create a new pseudo reg if the
1172 quantity it needs to hold isn't already a suitable pseudo.
1174 2006-03-28 Jeff Law <law@redhat.com>
1176 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1177 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1179 2006-03-28 Roger Sayle <roger@eyesopen.com>
1181 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1182 the equivalent ~X & Y, and the symmetry related transformations.
1183 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1184 ~X & Y, and symmetry related transforms.
1186 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1188 Revert my 2006-03-27 patches.
1190 2006-03-28 Roger Sayle <roger@eyesopen.com>
1192 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1193 ~(T1)X, when T1 and T2 are integer types of the same precision
1194 and (T2)X isn't an extension.
1196 2006-03-28 Jeff Law <law@redhat.com>
1198 PR tree-optimization/26796
1199 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1200 need EH edge cleanups rather than purging them immediately.
1201 (eliminate_degenerate_phis): Handle queued EH cleanups.
1203 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1205 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1208 2006-03-27 Roger Sayle <roger@eyesopen.com>
1211 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1212 cast BIT_NOT_EXPR operand to the correct type.
1214 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1216 * tree-loop-linear.c: Don't include varray.h.
1217 (gather_interchange_stats, try_interchange_loops,
1218 linear_transform_loops): Use VEC instead of VARRAY.
1219 * lambda-mat.c: Don't include varray.h.
1220 * tree-chrec.c: Same.
1221 * lambda-trans.c: Same.
1222 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1223 VEC instead of VARRAY.
1224 * tree-vectorizer.h: Idem.
1225 * tree-data-ref.c (dump_data_references,
1226 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1227 initialize_data_dependence_relation, finalize_ddr_dependent,
1228 compute_all_dependences, find_data_references_in_loop,
1229 compute_data_dependences_for_loop, analyze_all_data_dependences,
1230 free_dependence_relation, free_dependence_relations,
1231 free_data_refs): Idem.
1232 * tree-data-ref.h (data_reference_p, subscript_p): New.
1233 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1234 VEC instead of VARRAY.
1235 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1236 (find_data_references_in_loop, compute_data_dependences_for_loop,
1237 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1238 dump_data_dependence_relations, free_dependence_relations,
1239 free_data_refs): Adjust declaration.
1240 (lambda_transform_legal_p): Move declaration here...
1241 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1242 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1243 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1244 vect_analyze_data_refs): Use VEC instead of VARRAY.
1245 * lambda.h (lambda_transform_legal_p): ...from here.
1246 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1247 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1248 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1249 tree-chrec.o): Don't depend on VARRAY_H.
1251 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1253 * rtl.def (Copyright): Update date.
1254 (DEPS_LIST): Change type of the second operand to 'int'.
1255 * target.h (Copyright): Update date.
1256 (struct gcc_target.speculate_insn): Change type of the second parameter
1258 * lists.c (Copyright): Update date.
1259 (alloc_DEPS_LIST): Change signature. Update reference to the second
1260 operand of the DEPS_LIST.
1261 (copy_DEPS_LIST_list): Update reference to the second operand of the
1263 * rtl.h (Copyright): Update date.
1264 (alloc_DEPS_LIST): Update signature.
1265 * sched-int.h (Copyright): Update date.
1266 (ds_t): Change typedef to 'int'.
1267 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1269 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1271 * haifa-sched.c (Copyright): Update date.
1272 (try_ready): Change condition to restore non-speculative pattern
1274 (process_insn_depend_be_in_spec): Code to keep probability of the
1275 speculative dependence non-decreasing.
1277 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1279 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1280 shut up the compiler.
1282 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1284 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1285 to use lib prefix for target.
1286 ($(T)libic_invalidate_array_4-200.a): Likewise.
1287 ($(T)libic_invalidate_array_4a.a): Likewise.
1289 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1290 J"orn Rennecke <joern.rennecke@st.com>
1292 * superh.opt: New file.
1293 * sh.c (boardtype, osruntime): Remove.
1294 * superh.h (SUBTARGET_OPTIONS): Remove.
1295 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1297 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1298 arguments with ^ and/or [].
1300 * config.gcc (sh-*-*): Add quoting to account for quirk of
1302 Replace == with = in enable_incomplete_targets test.
1304 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1305 with MASK_LITTLE_ENDIAN.
1307 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1308 * config/sh/sh.opt: Added to some comments.
1309 * config/sh/superh.h: Removed some chaff.
1311 * config/sh/sh.opt: Add m4-[1234]00* options.
1312 * config/sh/sh.c (sh_handle_option): Likewise.
1313 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1314 (ic_invalidate_array_4-100.o): New rule.
1315 ($(T)libic_invalidate_array_4-100.a): Likewise.
1316 (ic_invalidate_array_4-200.o): Likewise.
1317 ($(T)libic_invalidate_array_4-200.a): Likewise.
1318 (ic_invalidate_array_4a.o): Likewise.
1319 ($(T)libic_invalidate_array_4a.a): Likewise.
1320 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1321 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1323 * config/sh/crt1.asm: Merged in profiling code.
1324 * config/sh/superh.h (STARTFILE_SPEC): Override.
1325 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1326 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1327 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1329 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1330 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1331 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1333 * sh.opt (mpretend-cmove): New option.
1334 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1335 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1336 (movsicc): Add TARGET_PRETEND_CMOVE code.
1338 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1340 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1341 s390_class_max_nregs): New function prototypes.
1342 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1343 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1344 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1345 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1347 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1349 * dwarf2out.c (add_location_or_const_value_attribute): Call
1350 tree_add_const_value_attribute if nothing else works.
1351 (reference_to_unused): New.
1352 (rtl_for_decl_init): Use reference_to_unused to decide whether
1353 to output an initializer.
1355 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1358 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1359 peephole removing spe frob_di_df_2.
1361 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1363 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1364 (subscript_dependence_tester_1): Declared.
1365 (print_dir_vectors, print_dist_vectors): New.
1366 (debug_data_dependence_relation): New.
1367 (dump_data_dependence_relation): Print more details.
1368 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1369 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1370 (save_dist_v, save_dir_v, add_outer_distances,
1371 build_classic_dist_vector_1): New.
1372 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1373 Don't test for lambda_vector_lexico_pos.
1374 (same_access_functions, add_multivariate_self_dist,
1375 add_other_self_distances, dir_from_dist): New.
1376 (build_classic_dir_vector): Replace implementation almost identical to
1377 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1379 (subscript_dependence_tester_1): New.
1380 (subscript_dependence_tester): Handle the lexicographically negative
1381 distance vectors by recomputing the dependence relation.
1382 (compute_affine_dependence): Remove parameter loop_nest_depth.
1383 (compute_self_dependence): Don't call compute_subscript_distance.
1384 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1385 Add a parameter for the loop_nest.
1386 (find_loop_nest_1, find_loop_nest): New.
1387 (compute_data_dependences_for_loop): Compute the loop nest, and give
1388 up if the nest is not well formed.
1389 * tree-data-ref.h (loop_p): New.
1390 (struct data_dependence_relation): Replace size_vect field with
1391 loop_nest, a vec of loops.
1392 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1393 (DDR_LOOP_NEST): New.
1394 (print_dir_vectors, print_dist_vectors,
1395 debug_data_dependence_relation): Declared.
1396 (index_in_loop_nest): New.
1397 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1398 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1401 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1403 * simplify-rtx.c (simplify_relational_operation): Call
1404 simplify_relational_operation_1 even if mode is VOIDmode.
1406 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1408 PR tree-optimization/26804
1409 * tree.h (DECL_CALL_CLOBBERED): New macro.
1410 (tree_decl_common): Add call_clobbered_flag.
1411 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1412 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1413 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1414 (mark_non_addressable): Ditto.
1415 * tree-ssa.c (verify_call_clobbered): New function.
1416 (verify_alias_info): Use it.
1417 * tree-pass.h (pass_reset_cc_flags): New prototype.
1418 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1419 (reset_cc_flags): New function.
1420 * passes.c (init_optimization_passes): Call reset_cc_flags after
1421 initializing referenced_vars.
1423 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1424 Roger Sayle <roger@eyesopen.com>
1427 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1428 to 1.0 for non-real operands. Implement A / A optimization for
1431 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1433 * config/i386/i386.c (size_cost): Correct the comment for
1434 cost of storing fp registers.
1435 (i386_cost): Likewise.
1436 (i486_cost): Likewise.
1437 (pentium_cost): Likewise.
1438 (pentiumpro_cost): Likewise.
1439 (k6_cost): Likewise.
1440 (athlon_cost): Likewise.
1441 (k8_cost): Likewise.
1442 (pentium4_cost): Likewise.
1443 (nocona_cost): Likewise.
1444 (generic64_cost): Likewise.
1445 (generic32_cost): Likewise.
1447 2006-03-24 Denis Chertykov <denisc@overta.ru>
1449 * config/avr/avr-protos.h (extra_constraint): Delete.
1450 (extra_constraint_Q): New declaration.
1451 * config/avr/constraints.md: New file.
1452 * config/avr/avr.md: Include it.
1453 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1454 (TMP_REGNO, ZERO_REGNO): Likewise.
1455 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1456 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1457 (extra_constraint): Delete.
1458 (extra_constraint_Q): Test for memory constraint 'Q'.
1459 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1460 (REG_CLASS_FROM_LETTER): Delete.
1461 (CONST_OK_FOR_LETTER_P): Delete.
1462 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1463 (EXTRA_CONSTRAINT): Delete.
1464 (TMP_REGNO): Delete.
1465 (ZERO_REGNO): Delete.
1467 2006-03-24 Jeff Law <law@redhat.com>
1469 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1470 directly. Call mark_new_vars_to_rename slightly earlier.
1472 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1474 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1476 (gen_compile_unit_die): Use new language types for Objective-C and
1478 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1479 DW_LANG_C_plus_plus.
1482 * config/t-darwin (crt3.o): Work around bug 26840.
1483 * config/darwin-crt3.c: Rewrite.
1484 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1486 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1488 * doc/invoke.texi: Document -femit-class-debug-always
1489 * common.opt: Add -femit-class-debug-always.
1491 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1493 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1494 index and base register.
1495 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1496 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1497 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1498 REGNO_OK_FOR_INDEX_P.
1499 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1501 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1502 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1503 REG_OK_FOR_BASE_P): Definitions removed.
1505 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1508 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1509 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1510 set yet or weren't marked as local yet.
1512 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1514 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1517 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1519 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1520 (rs6000_legitimate_small_data_p): Delete.
1521 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1522 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1523 and make static. Add forward declaration. Update uses.
1524 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1525 of offsettable_memref_p.
1526 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1527 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1529 2006-03-24 Jeff Law <law@redhat.com>
1531 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1532 around bug in immediate-use iterator.
1534 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1537 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1538 or __LITTLE_ENDIAN__.
1540 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1542 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1543 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1544 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1545 * config/sh/sh.opt (mdiv=): Amend description.
1546 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1547 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1548 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1549 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1550 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1551 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1552 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1553 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1554 TARGET_DIVIDE_CALL_FP.
1556 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1558 * haifa-sched.c (choose_ready): Fix type of the local variable.
1559 Move local variables. Add comment.
1560 (check_reg_live): Change signature. Make callable from debugger.
1561 * sched-int.h (check_reg_live): Update signature.
1562 * sched-ebb.c (check_reg_live): Update parameters.
1563 * sched-rgn.c (check_reg_live): Ditto.
1564 (region_head_or_leaf_p): Check pointer before dereferencing.
1565 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1566 before reload on optimization levels below 1.
1568 2006-03-23 Richard Henderson <rth@redhat.com>
1570 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1574 * config/alpha/predicates.md (local_symbolic_operand): Reject
1577 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1580 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1581 expressions which have overflowed constants.
1583 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1585 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1587 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1589 * cfgloopmanip.c (create_loop_notes): Removed.
1590 * final.c (final_scan_insn): Do not handle loop notes.
1591 * jump.c (squeeze_notes): Ditto.
1592 * cfglayout.c (skip_insns_after_block,
1593 duplicate_insn_chain): Ditto.
1594 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1596 * cfgloop.h (create_loop_notes): Declaration removed.
1598 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1600 * varasm.c (output_constant_pool): Restore fnname and fndecl
1602 (assemble_start_function): Adjust call accordingly.
1603 (assemble_end_function): Likewise.
1605 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1608 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1611 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1613 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1616 * system.h (ICE_EXIT_CODE): New macro.
1617 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1618 (diagnostic_action_after_output): Likewise.
1619 * gcc.c (fatal_ice): New function.
1620 (execute): Use it instead of fatal.
1621 (fancy_abort): Likewise.
1622 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1624 2006-03-22 Jeff Law <law@redhat.com>
1626 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1627 iv_analyze_result returning false.
1629 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1631 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1633 2006-03-22 Richard Henderson <rth@redhat.com>
1636 * except.c (duplicate_eh_regions_0): New.
1637 (duplicate_eh_region_1): Duplicate the children of the node as
1638 well as the node itself. Link them up properly.
1639 (duplicate_eh_region_2): Merge into ...
1640 (duplicate_eh_regions): ... here. Take copy_region argument, and
1641 copy only a sub-tree if asked. Simplify copying and fixup.
1642 (eh_region_outer_p): New.
1643 * except.h (duplicate_eh_regions): Update decl.
1644 (eh_region_outer_p): Declare.
1645 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1646 (lower_omp_master): Likewise.
1647 (lower_omp_ordered): Likewise.
1648 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1649 (move_stmt_r): Use it to remap labels. Handle recursion vs
1650 remap_decls_p properly.
1651 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1652 (find_outermost_region_in_block): New.
1653 (new_label_mapper): New.
1654 (move_sese_region_to_fn): Copy eh information to the new function
1656 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1658 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1661 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1663 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1664 into shared libraries.
1666 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1668 * doc/md.texi: Refer to i386/constraints.md instead of
1670 * config/i386/constraints.md: New file, extracted from...
1671 * config/i386/predicates.md: ...here.
1672 * config/i386/i386.md: Include constraints.md.
1674 2006-03-21 Jason Merrill <jason@redhat.com>
1676 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1679 * expr.c (init_block_move_fn): Force default visibility.
1680 (init_block_clear_fn): Likewise.
1681 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1682 * targhooks.c (default_external_stack_protect_fail): Likewise.
1684 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1686 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1687 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1688 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1689 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1690 (loadgp): Use mips_current_loadgp_style.
1691 (loadgp_noshared): New pattern.
1692 (sibcall_internal): Use MIPS_CALL.
1693 (sibcall_value_internal): Likewise.
1694 (sibcall_value_multiple_internal): Likewise.
1695 (call_internal): Likewise.
1696 (call_value_internal): Likewise.
1697 (call_value_multiple_internal): Likewise.
1698 (call_split): Use MIPS_CALL and add an 'S' constraint.
1699 (call_value_split): Likewise.
1700 (call_value_multiple_split): Likewise.
1701 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1702 (-mshared): New option.
1703 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1704 (mips_current_loadgp_style): Declare.
1705 * config/mips/mips.c (mips_classify_symbol): Avoid using
1706 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1707 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1708 TARGET_ABSOLUTE_ABICALLS.
1709 (override_options): Adjust comments. Improve the warning that is
1710 issued when -mabicalls and -G are used together.
1711 (mips_file_start): Remove comment.
1712 (mips_current_loadgp_style): New function.
1713 (mips_gnu_local_gp): New variable.
1714 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1716 (mips_output_function_prologue): Use mips_current_laodgp_style.
1717 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1718 the cprestore instruction.
1719 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1720 live for TARGET_ABSOLUTE_ABICALLS.
1721 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1722 (ASM_SPEC): Pass down -mshared and -mno-shared.
1723 (MIPS_CALL): New macro.
1724 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1726 * doc/invoke.texi (-mabicalls): Update documentation.
1727 (-mshared): Document.
1729 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1731 * config/ia64/unwind-hpux.c: New file.
1732 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1734 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1737 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1739 2006-03-21 Jeff Law <law@redhat.com>
1741 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1742 type conversions of a VR_VARYING source to a wider type.
1744 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1746 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1747 tm_file on Solaris 10 and later.
1748 (sparc64-*-solaris2*): Likewise.
1749 (sparc-*-solaris2*): Likewise.
1750 * config/sol26.h: Rename to config/sol2-6.h.
1751 * config/sol2-10.h: New file.
1753 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1756 * tree-ssa-pre.c (create_component_ref_by_pieces):
1759 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1762 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1763 return it immediately.
1765 2006-03-21 Michael Matz <matz@suse.de>
1767 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1769 (remove_arc, add_arc): Update num_out_arcs member.
1770 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1772 (cache_presence): New function.
1773 (compare_states_for_equiv): New function.
1774 (state_is_differed): Don't take number of outargs, adjust callers.
1775 Use new invariant for speeding up.
1776 (init_equiv_class): Create initial classes based on sorted
1778 (partition_equiv_class): Don't track out_arcs_num.
1779 (evaluate_equiv_classes): Call cache_presence on all states and
1782 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1784 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1785 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1786 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1787 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1789 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1790 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1791 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1792 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1793 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1795 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1796 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1797 (REGNO_REG_CLASS): ARGP is in PREGS.
1798 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1800 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1801 to deal with those addresses.
1802 * addresses.h: New file.
1803 * caller-save.c: Include "addresses.h".
1804 (init_caller_save): Use new base_reg_class function.
1805 * rtl-factoring.c: Include "addresses.h".
1806 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1807 * recog.c: Include "addresses.h".
1808 (preprocess_constraints): Use new base_reg_class function.
1809 * regrename.c: Include "addresses.h".
1810 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1811 functions. Keep track of a new var INDEX_CODE to compute valid
1813 (replace_oldest_value_addr): Likewise.
1814 (replace_oldest_value_mem): Use base_reg_class.
1815 * reload.c: Include "addresses.h".
1816 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1817 (find_reloads): Use new base_reg_class function.
1818 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1819 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1820 all callers and prototype changed.
1821 * reload1.c: Include "addresses.h".
1822 (maybe_fix_stack_asms): Use base_reg_class.
1823 * regclass.c: Include "addresses.h".
1824 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1825 (init_reg_autoinc): Use new base_reg_class function.
1826 (record_reg_classes): Likewise.
1827 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1828 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1829 Use new args to compute necessary class.
1831 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1832 regrename.o, rtl-factoring.o): Update dependencies.
1833 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1834 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1835 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1836 REG_OK_FOR_INDEX_P): Delete documentation.
1838 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1840 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1841 from V7 to V9 for Solaris 7 and above.
1843 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1845 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1846 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1847 argument pointers may not alias any other storage.
1848 * common.opt: Define option -fargument-noalias-anything.
1849 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1850 alias semantics is specified by flag_argument_noalias > 2.
1852 2006-03-20 Jeff Law <law@redhat.com>
1854 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1855 (pass_phi_only_cprop): Declare.
1856 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1858 * tree-ssa-dom.c (degenerate_phi_result): New function.
1859 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1860 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1861 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1862 (eliminate_degenerate_phis): Likewise.
1863 (pass_phi_only_cprop): New pass descriptor.
1864 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1865 support code. Callers updated.
1866 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1867 (store_copy_prop): Likewise.
1868 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1870 2006-03-20 Jason Merrill <jason@redhat.com>
1873 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1874 (push_visibility, pop_visibility): Likewise.
1875 * c-pragma.h: Declare them.
1877 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1879 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1881 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1882 parameter and use get_ebb_head_tail.
1883 (sh_md_init_global): Adjust uses of find_regmode_weight.
1885 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1887 * function.h (struct function) <x_tail_recursion_reentry>:
1888 Rename to x_stack_check_probe_note.
1889 (tail_recursion_reentry): Rename to stack_check_probe_note.
1890 * function.c: Replace tail_recursion_reentry with
1891 stack_check_probe_note everywhere.
1892 (expand_function_start): Only emit a note for
1893 stack_check_probe_note with -fstack-protect.
1894 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1896 * emit-rtl.c (remove_unnecessary_notes): Remove.
1897 (pass_remove_unnecessary_notes): Remove.
1898 * rtl.h (remove_unnecessary_notes): Remove prototype.
1899 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1900 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1901 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1903 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1906 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1907 (valid_in_set): Handle ARRAY_REF.
1908 Change "if min_variant or VH" to asserts.
1909 (create_component_ref_by_pieces): Handle ARRAY_REF.
1910 (create_expression_by_pieces): Likewise.
1911 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1913 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1915 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1916 is operand of switch, not str[0].
1918 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1920 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1921 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1923 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1925 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1926 end of insn_extra_address_constraint declaration.
1928 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1930 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1931 (no-sum-in-toc): Same.
1932 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1934 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1935 NO_FP_IN_TOC for -fPIC instead of mask.
1937 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1938 (BOOT_LDFLAGS): Delete.
1940 * config/rs6000/t-aix52: Same.
1942 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1943 (stmsi[345678]_power): New.
1945 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1947 * config/ia64/ia64.opt: Add empty line to end of file.
1949 2006-03-17 Richard Guenther <rguenther@suse.de>
1952 * builtins.c (get_pointer_alignment): For component style references
1953 adjust alignment to the component type alignment. Make sure
1954 to adjust alignment for component access of constants.
1956 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1958 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1961 2006-03-17 Paul Brook <paul@codesourcery.com>
1963 * doc/install.texi: Docuemnt --with-mode.
1964 * config.gcc: Add --with-mode for arm*-*-*.
1965 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1967 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1969 * sh.c (max_labelno_before_reorg): New variable.
1970 (sh_reorg): Initialize it.
1971 (find_barrier): Check max_labelno_before_reorg before using
1972 label_to_alignment. Take length of explicit alignment insns
1973 into account. When seeing a UNSPECV_CONST_END, return it.
1975 * sh.c (fixup_mova): Set mode of affected label to QImode.
1976 (untangle_mova): New function.
1977 (find_barrier): Use it. Check mode of label before decrementing
1979 (sh_reorg): Likewise.
1980 Set mode of all insns back to VOIDmode.
1982 * sh.c (MOVA_LABELREF): New macro.
1983 (mova_p, fixup_mova, sh_reorg): Use it.
1984 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1985 ADDR_DIFF_VEC matches mova.
1987 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1989 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1990 with ATTRIBUTE_UNUSED.
1992 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1994 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1995 pointer, instead of assuming it is possible to derive the
1996 correct args size from a call insn.
1998 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2000 * rtl.h (CONST_INT_P): Define.
2001 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2002 instead of GET_CODE(x) == CONST_INT.
2003 (vax_rtx_costs): Likewise.
2004 (vax_output_int_move): Likewise.
2005 (vax_output_int_add): Likewise.
2006 (legitimate_constant_address_p): Likewise.
2007 (index_term_p): Likewise.
2008 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2009 * config/vax/vax.md (and<mode>3): Likewise.
2010 (ashrsi3): Likewise.
2012 (movstricthi): Likewise.
2013 (movstrictqi): Likewise.
2014 (rotrsi3): Likewise.
2015 (five unnamed insns): Likewise.
2017 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2019 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2020 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2021 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2022 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2023 Pass to ASM_OUTPUT_DWARF_OFFSET.
2024 * dwarf2out.c (debug_frame_section): New.
2025 (output_call_frame_info): Use debug_frame_section. Pass it to
2026 dw2_asm_output_offset.
2027 (output_die): Pass appropriate section to dw2_asm_output_offset.
2028 (output_compilation_unit_header): Likewise.
2029 (output_pubnames): Likewise.
2030 (output_aranges): Likewise.
2031 (enum dw_val_class): Break dw_val_class_lbl_offset into
2032 dw_val_class_lineptr and dw_val_class_macptr.
2033 (add_AT_lbl_offset): Delete.
2034 (add_AT_lineptr): New.
2035 (add_AT_macptr): New.
2036 (AT_lbl): Expect a lineptr or macptr.
2037 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2038 (attr_checksum): Likewise.
2039 (same_dw_val_p): Likewise.
2040 (size_of_die): Likewise.
2041 (value_format): Likewise.
2042 (output_die): Likewise.
2043 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2045 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2046 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2047 * config/darwin-protos.h (darwin_file_start): New.
2048 (darwin_asm_output_dwarf_offset): New.
2049 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2050 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2052 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2053 if not EH section; simplify.
2054 (darwin_file_start): New.
2055 (darwin_asm_output_dwarf_offset): New.
2056 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2058 (DEBUG_INFO_SECTION): Likewise.
2059 (DEBUG_ABBREV_SECTION): Likewise.
2060 (DEBUG_ARANGES_SECTION): Likewise.
2061 (DEBUG_MACINFO_SECTION): Likewise.
2062 (DEBUG_LINE_SECTION): Likewise.
2063 (DEBUG_LOC_SECTION): Likewise.
2064 (DEBUG_PUBNAMES_SECTION): Likewise.
2065 (DEBUG_STR_SECTION): Likewise.
2066 (DEBUG_RANGES_SECTION): Likewise.
2067 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2068 (ASM_OUTPUT_DWARF_OFFSET): New.
2070 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2072 * config.gcc (tm_defines): Always add to previous value rather
2075 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2077 * config/mips/predicates.md (splittable_const_int_operand): New,
2078 split from move_operand.
2079 (splittable_symbolic_operand): New.
2080 (move_operand): Add commentary. Use splittable_const_int_operand.
2081 Inline mips_atomic_symbolic_constant_p.
2082 * config/mips/mips.md: Add combine splitters for handling moves
2083 of splittable_const_int_operands and splittable_symbolic_operands.
2084 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2085 (mips_split_symbol): Declare.
2086 (mips_move_integer): Declare.
2087 * config/mips/mips.c (mips_split_p): Make global.
2088 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2089 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2090 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2091 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2092 (mips_offset_within_object_p): Handle block symbols.
2093 (mips_atomic_symbolic_constant_p): Delete.
2094 (mips_cannot_force_const_mem): Return false for constants that
2095 mips_legitimize_move can handle.
2096 (mips_use_blocks_for_constant_p): New function.
2097 (mips_split_symbol): Make global.
2098 (mips_move_integer): Likewise. Add a temporary register argument.
2099 (mips_legitimize_const_move): Use splittable_const_int_operand and
2100 splittable_symbolic_operand.
2101 (mips_use_anchors_for_symbol_p): New function.
2102 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2103 (mips_split_p): Declare.
2105 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2107 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2108 (mips*-*-linux*): Likewise.
2110 2006-03-16 Roger Sayle <roger@eyesopen.com>
2111 Daniel Speyer <dspeyer@wam.umd.edu>
2114 * tree-dump.c (dump_real): New function.
2115 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2116 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2117 (tree-dump.o): Add $(REAL_H) to the dependencies.
2119 2006-03-16 Roger Sayle <roger@eyesopen.com>
2122 * real.c (real_from_string): If the mantissa is zero, don't bother
2123 parsing the exponent as the result should always be zero.
2125 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2127 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2129 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2131 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2132 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2133 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2134 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2135 ia64_sched_finish_global): New static functions to implement
2136 hooks from gcc_target.sched.
2137 (spec_check_no, max_uid, pending_data_specs): New static variables.
2138 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2139 ia64_spec_check_src_p): New static functions.
2140 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2141 (TARGET_SCHED_ADJUST_COST): Removed.
2142 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2143 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2144 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2145 TARGET_SCHED_GEN_CHECK,
2146 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2147 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2148 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2149 Fixed to handle speculation checks.
2150 (rtx_needs_barrier): Fixed to handle speculative loads and
2152 (ia64_variable_issue): Added code to count speculative loads and their
2154 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2156 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2158 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2160 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2161 (ia64_reorg): Reset stops_p to NULL after it is freed.
2162 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2163 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2164 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2166 (data_speculative, control_speculative, check_load): New attributes.
2167 (mov<mode>_advanced, mov<mode>_speculative,
2168 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2169 zero_extend<mode>di2_speculative,
2170 zero_extend<mode>di2_speculative_advanced): New patterns for
2171 data and control speculative loads.
2172 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2174 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2175 New pattern for data and control speculation checks.
2176 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2177 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2178 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2179 Auxiliary definitions for the patterns.
2180 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2181 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2183 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2185 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2186 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2187 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2188 New resource constraints.
2189 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2191 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2192 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2193 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2194 msched-in-control-spec, msched-ldc, msched-control-ldc,
2195 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2196 msched-prefer-non-control-spec-insns,
2197 msched-count-spec-in-critical-path): New flags to tune speculative
2199 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2200 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2201 msched-in-control-spec, msched-ldc, msched-control-ldc,
2202 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2203 msched-prefer-non-control-spec-insns,
2204 msched-count-spec-in-critical-path): Document new flags.
2206 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2208 * target.h (struct spec_info_def): New opaque declaration.
2209 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2210 speculate_insn, needs_block_p, gen_check,
2211 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2212 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2213 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2214 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2215 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2216 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2218 (TARGET_SCHED): Use new macros.
2219 * rtl.h (copy_DEPS_LIST_list): New prototype.
2220 * sched-int.h (struct sched_info): Change signature of new_ready field,
2221 adjust all initializations. New fields: add_remove_insn,
2222 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2223 region_head_or_leaf_p.
2224 (struct spec_info_def): New structure declaration.
2225 (spec_info_t): New typedef.
2226 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2227 recovery_block, orig_pat.
2228 (glat_start, glat_end): New variables declaraions.
2229 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2231 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2232 DETACH_LIFE_INFO, USE_GLAT.
2233 (enum SPEC_SCHED_FLAGS): New enumeration.
2234 (NOTE_NOTE_BB_P): New macro.
2235 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2236 attach_life_info, debug_spec_status, check_reg_live): New functions.
2237 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2238 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2240 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2241 * ddg.c (get_block_head_tail): Adjust all uses.
2242 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2243 (sms_sched_info): Initialize new fields.
2244 (contributes_to_priority): Removed.
2245 * haifa-sched.c (params.h): New include.
2246 (get_block_head_tail): Adjust all uses.
2247 (ISSUE_POINTS): New macro.
2248 (glat_start, glat_end): New global variables.
2249 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2250 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2251 old_last_basic_block, before_recovery, current_sched_info_var,
2252 rgn_n_insns, luid): New static variables.
2253 (insn_cost1): New function. Move logic from insn_cost to here.
2254 (find_insn_reg_weight1): New function. Move logic from
2255 find_insn_reg_weight to here.
2256 (reemit_notes, move_insn, max_issue): Change signature.
2257 (move_insn1): Removed.
2258 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2259 extend_bb): New static functions to support extension of scheduler's
2261 (generate_recovery_code, process_insn_depend_be_in_spec,
2262 begin_speculative_block, add_to_speculative_block,
2263 init_before_recovery, create_recovery_block, create_check_block_twin,
2264 fix_recovery_deps): New static functions to support
2265 generation of recovery code.
2266 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2267 restore_bb_notes, move_block_after_check, move_succs): New static
2268 functions to support ebb scheduling.
2269 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2270 functions to support handling of register live information.
2271 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2272 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2273 add_jump_dependencies): New static functions.
2274 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2275 consistancy checking.
2276 (debug_spec_status): New function to call from debugger.
2277 (priority): Added code to handle speculation checks.
2278 (rank_for_schedule): Added code to distinguish speculative instructions.
2279 (schedule_insn): Added code to handle speculation checks.
2280 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2281 Fixed to handle ebbs.
2282 (move_insn): Added code to handle ebb scheduling.
2283 (max_issue): Added code to use ISSUE_POINTS of instructions.
2284 (choose_ready): Added code to choose between speculative and
2285 non-speculative instructions.
2286 (schedule_block): Added code to handle ebb scheduling and scheduling of
2287 speculative instructions.
2288 (sched_init): Initialize new variables.
2289 (sched_finish): Free new variables. Print statistics.
2290 (try_ready): Added code to handle speculative instructions.
2291 * lists.c (copy_DEPS_LIST_list): New function.
2292 * sched-deps.c (extend_dependency_caches): New function. Move logic
2293 from create_dependency_caches to here.
2294 (get_dep_weak, ds_merge): Make global.
2295 * genattr.c (main): Code to output prototype for
2296 dfa_clear_single_insn_cache.
2297 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2298 (output_dfa_clean_insn_cache_func): Code to output
2299 dfa_clear_single_insn_cache function.
2300 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2302 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2304 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2305 New static variables.
2306 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2307 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2309 (ebb_sched_info): Initialize new fields.
2310 (get_block_head_tail): Adjust all uses.
2311 (compute_jump_reg_dependencies): Fixed to use glat_start.
2312 (schedule_ebb): Code to remove unreachable last block.
2313 (schedule_ebbs): Added code to update register live information.
2314 * sched-rgn.c (region_sched_info): Initialize new fields.
2315 (get_block_head_tail): Adjust all uses.
2316 (last_was_jump): Removed. Adjust users.
2317 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2318 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2319 Implement new hooks.
2320 (check_dead_notes1): New static function.
2321 (struct region): New fields: dont_calc_deps, has_real_ebb.
2322 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2323 (BB_TO_BLOCK): Fixed to handle EBBs.
2324 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2325 (ebb_head): New static variable.
2326 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2327 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2329 (compute_dom_prob_ps): New assertion.
2330 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2331 global_live_at_start.
2332 (init_ready_list): New assertions.
2333 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2334 (new_ready): Add support for BEGIN_CONTROL speculation.
2335 (schedule_insns): Fixed code that updates register live information
2337 (schedule_region): Fixed to handle EBBs.
2338 (init_regions): Use extend_regions and check_dead_notes1.
2339 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2340 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2341 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2342 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2343 TARGET_SCHED_GEN_CHECK,
2344 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2345 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2346 * doc/invoke.texi (max-sched-insn-conflict-delay,
2347 sched-spec-prob-cutoff): Document.
2349 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2351 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2352 inter_tick, queue_index.
2353 (struct sched_info): Change signature of init_ready_list field.
2354 Adjust all initializations.
2355 (RESOLVED_DEPS): New access macro.
2356 (ready_add): Remove prototype.
2357 (try_ready): Add prototype.
2358 * sched-rgn.c (init_ready_list): Use try_ready.
2359 (schedule_region): Initialize
2360 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2361 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2362 (init_ready_list): Use try_ready.
2363 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2364 * lists.c (remove_list_elem): Remove `static'.
2365 (remove_free_INSN_LIST_elem): New function.
2366 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2367 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2368 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2370 (readyp): New variable.
2371 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2372 change_queue_index, resolve_dep): New static functions.
2373 (try_ready): New function. Adjust callers in sched-rgn.c and
2374 sched-ebb.c to use it instead of ready_add.
2375 (clock_var): Move at the begining of file.
2376 (rank_for_schedule): Fix typo.
2377 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2378 (ready_lastpos): Enforce assertion.
2379 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2381 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2382 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2383 (queue_to_ready): Use free_INSN_LIST_list.
2384 (early_queue_to_ready): Fix typo.
2385 (schedule_block): Init readyp. Move init_ready_list call after the
2386 initialization of clock_var. Fix error in rejecting insn by
2387 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2388 that previously corrected INSN_TICKs. Add code for handling
2390 (set_priorities): Fix typo.
2391 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2392 Clarify comment and code that keeps current_sched_info->next_tail
2395 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2397 * sched-rgn.c (extend_rgns): New static function.
2398 (find_rgns): Use it.
2399 (gather_region_statistics, print_region_statistics): New static
2401 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2402 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2404 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2405 Andrey Belevantsev <abel@ispras.ru>
2407 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2408 * lists.c (unused_deps_list): New variable.
2409 (free_list): Add assertions to verify the proper distinguishing
2410 between INSN_LISTs and DEPS_LISTs.
2411 (find_list_elem, remove_list_elem, remove_list_node): New static
2413 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2414 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2415 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2416 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2418 (free_INSN_LIST_node): Likewise.
2419 * modulo-sched.c (current_sched_info): Initialize flags field.
2420 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2421 * rtl.def (DEPS_LIST): Define.
2422 * rtl.h: Declare new functions from lists.c.
2423 * sched-deps.c (spec_dependency_cache): New static variable.
2424 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2425 (add_dependence): Change return type to void. Move the logic to ...
2426 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2427 (delete_all_dependences): Add comment about forward_dependency_cache.
2428 Handle spec_dependency_cache. Handle DEPS_LISTs.
2429 (fixup_sched_groups): Clarify the change of priority of output
2430 and anti dependencies.
2431 (sched_analyze_2): Adjust add_dependence calls to create data
2432 speculative dependence.
2433 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2434 Adjust all callers. Handle DEPS_LISTS.
2435 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2436 presence of speculation.
2437 (init_dependency_caches, free_dependency_caches):
2438 Handle spec_dependency_cache.
2439 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2440 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2441 New static functions.
2442 (add_or_update_back_dep, add_or_update_back_forw_dep,
2443 add_back_forw_dep, delete_back_forw_dep): New functions.
2444 * sched-int.h (ds_t, dw_t): New typedefs.
2445 (struct sched_info): Add new field flags.
2446 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2447 Prototype new sched-deps.c functions.
2448 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2449 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2450 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2451 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2452 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2453 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2455 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2457 * sched-rgn.c (current_sched_info): Initialize flags field.
2458 (schedule_insns): Initialize current_sched_info before the sched_init
2460 * sched-ebb.c (current_sched_info): Initialize flags field.
2461 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2462 Call add_or_update_back_dep instead of add_dependence.
2463 Create control speculative dependencies.
2464 (schedule_insns): Initialize current_sched_info before the sched_init
2467 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2469 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2471 (sh_fallback_frame_state): Likewise.
2473 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2475 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2476 Do switch on default_use_cxa_atexit.
2477 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2478 * config/darwin-crt3.o: New.
2479 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2480 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2481 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2483 * config/rs6000/t-darwin: Move crt2.o building to here.
2484 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2485 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2488 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2490 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2491 from '! xxx' to '!xxx' for coding-style conformance.
2492 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2493 (EXTRA_CONSTRAINT): Likewise.
2494 * config/vax/vax.md (four unnamed insns): Likewise.
2496 2006-03-15 Paul Brook <paul@codesourcery.com>
2498 * config/arm/arm.c (minipool_pad): New.
2499 (add_minipool_forward_ref): Include pool alignment padding in address
2501 (push_minipool_fix): Set minipool_pad.
2502 (minipool_pad): Ditto.
2504 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2506 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2507 instead of GET_CODE() == MEM and REG_P() instead of
2509 (print_operand_address): Likewise.
2510 (vax_address_cost): Likewise.
2511 (vax_rtx_costs): Likewise.
2512 (vax_notice_update_cc): Likewise.
2513 (vax_output_int_add): Likewise.
2514 (INDEX_REGISTER_P): Likewise.
2515 (BASE_REGISTER_P): Likewise.
2516 (nonindexed_address_p): Likewise.
2517 (vax_mode_dependent_address_p): Likewise.
2518 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2519 (PRINT_OPERAND): Likewise.
2520 * config/vax/vax.md (ashlsi3): Likewise.
2521 (ashlsi3): Likewise.
2522 (some more unnamed insns): Likewise.
2524 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2526 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2527 iterator-style macro.
2528 (mark_control_dependent_edges_necessary): Update the use of
2529 EXECUTE_IF_CONTROL_DEPENDENT.
2531 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2533 * config/sh/predicates.md (cache_address_operand): Special.
2534 (ua_address_operand): Likewise.
2536 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2538 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2540 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2542 2006-03-15 Andreas Schwab <schwab@suse.de>
2544 * gensupport.c (identify_predicable_attribute): Don't free p_false
2545 when it is still in use.
2547 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2549 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2550 the default setting here.
2552 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2554 * tree-pass.h (pass_cfg): Remove.
2555 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2556 * passes.c (pass_cfg): Don't run it.
2558 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2560 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2561 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2563 (stack_regs_mentioned): Update the uses of
2564 stack_regs_mentioned_data. Don't access the array beyond its
2566 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2567 Don't include gt-reg-stack.h.
2569 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2570 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2572 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2575 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2578 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2580 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2582 2006-03-14 Richard Guenther <rguenther@suse.de>
2584 PR tree-optimization/26672
2585 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2588 2006-03-14 Richard Guenther <rguenther@suse.de>
2590 PR tree-optimization/26667
2591 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2592 node for the callees. Always allow inlining if it will shrink
2595 2006-03-14 Richard Guenther <rguenther@suse.de>
2598 * builtins.c (get_pointer_alignment): Prefer alignment
2599 information from decls over that from types.
2601 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2604 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2606 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2608 * config/rs6000/rs6000.opt (mdlmzb): New option.
2609 (msched-prolog, msched-epilog): Use Var not Mask.
2610 * doc/invoke.texi (-mdlmzb): Document.
2611 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2613 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2614 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2616 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2618 PR rtl-optimization/25739
2619 * bt-load.c (augment_live_range): Free tos pointer.
2621 * gensupport.c (identify_predicable_attribute): Free
2623 * gcov.c (create_file_names): Free name pointer.
2625 2006-03-13 Roger Sayle <roger@eyesopen.com>
2628 * stmt.c (emit_case_nodes): Handle the case where the index is a
2629 CONST_INT, where the comparison mode is specified by the index type.
2631 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2633 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2636 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2638 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2639 (*branch_fp_inverted): Likewise.
2641 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2644 * omp-low.c (expand_omp_for_generic): Mark istart0
2645 and iend0 as addressable.
2647 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2649 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2651 2006-03-13 Jeff Law <law@redhat.com>
2653 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2654 virtual operands are interesting.
2655 (vrp_visit_stmt): Corresponding changes.
2657 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2659 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2661 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2662 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2663 * config/bfin/crti.S: Use it instead of __PIC__.
2664 * config/bfin/crtn.S: Likewise.
2666 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2667 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2669 Lose 'G' modifier for call operand.
2670 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2671 recognize 'G' modifier.
2673 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2676 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2677 * stmt.c (expand_case): Likewise.
2679 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2681 PR rtl-optimization/26254
2682 * loop-invariant.c (seq_insns_valid_p): New function.
2683 (move_invariant_reg): Only emit new code if it is valid.
2685 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2687 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2689 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2690 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2691 (commit_one_edge_insertion): Do not look for loop notes.
2693 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2695 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2696 flag_test_coverage out of loop.
2698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2700 * final.c (shorten_branches): Remove outdated comment, and turn
2701 the if branch that guards it to continue.
2703 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2705 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2706 * cfgloop.h (struct loop): Remove unused fields.
2708 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2710 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2711 (-dL, -fdump-rtl-loop2): Update the dump file names
2713 * doc/invoke.texi: Update dump file names.
2715 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2717 * predict.c (estimate_probability): Remove.
2718 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2719 * basic-block.h (estimate_probability): Remove prototype.
2720 * passes.c (finish_optimization_passes): Dump branch prediction or
2721 profiling heuristics to the .profile tree dump.
2722 (init_optimization_passes): Unqueue pass_branch_prob.
2724 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2726 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2728 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2729 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2731 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2733 * function.h (frame_offset_overflow): Declare.
2734 * function.c (frame_offset_overflow): New function.
2735 (assign_stack_local_1): Call it to detect that the offset overflows.
2736 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2738 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2740 * config/sh/sh.c: Include alloc-pool.h.
2741 (label_ref_list_pool): New alloc pool.
2742 (label_ref_list_t): New type for lists of labels.
2743 (struct pool_node): Make wend a label_ref_list_t.
2744 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2746 (dump_table): Likewise.
2747 (sh_reorg): Set up the alloc pool before using add_constant and
2748 dump_table, and destroy it when finishing.
2750 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2752 * config/mips/mips.c: Remove redundant comment.
2754 2006-03-10 Jason Merrill <jason@redhat.com>
2757 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2758 the target was declared 'register'.
2760 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2762 * genpreds.c (write_insn_constraint_len): Change definition of
2763 insn_constraint_len to return size_t to match the declaration.
2765 2006-03-10 DJ Delorie <dj@redhat.com>
2767 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2769 (m32c_expand_insv): Fix test for an AND mask.
2771 2006-03-10 Richard Guenther <rguenther@suse.de>
2774 * builtins.c (get_pointer_alignment): Handle component
2775 references for field alignment.
2777 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2779 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2780 when building with libgloss.
2781 (sh*elf): Implement --without-fp option.
2782 (sh64-superh-linux*): Don't multilib.
2784 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2786 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2788 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2790 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2791 Set it when one of the replacement functions returned true.
2792 Return TODO_cleanup_cfg if cfgchanged is true.
2793 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2795 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2797 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2798 instead of gen_lowpart.
2800 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2802 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2804 (mips_output_order_conditional_branch): Declare.
2805 * config/mips/mips.h (MIPS_BRANCH): New macro.
2806 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2807 for the comparison. Use gen_condjump.
2808 (mips_output_conditional_branch): Rework interface to take the
2809 asm templates for a direct branch and the inverse of a direct branch.
2810 (mips_output_order_conditional_branch): New function.
2811 (mips_builtin_branch_and_move): New function.
2812 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2813 branch condition. Use gen_single_cc as the condition for
2814 __builtin_mips_upper_* or __builtin_mips_lower_*.
2815 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2816 Use VOIDmode for the branch condition.
2817 * config/mips/predicates.md (order_operator): New predicate.
2818 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2819 (branch_fp): Rename to...
2820 (*branch_fp): ...this. Remove mode from comparison operator.
2821 Use new mips_output_conditional_branch interface.
2822 (branch_fp_inverted): Rename to...
2823 (*branch_fp_inverted): ...this and update as for *branch_fp.
2824 (*branch_zero<mode>): Rename to...
2825 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2826 Use mips_output_order_conditional_branch. Only accept ordered
2828 (*branch_zero<mode>_inverted): Rename to...
2829 (*branch_order<mode>_inverted): ...this and update as for
2830 *branch_order<mode>.
2831 (*branch_equality<mode>): Accept zero as the second operand to
2832 the equality operator. Use the new mips_output_conditional_branch
2834 (*branch_equality<mode>_inverted): Likewise.
2835 (condjump): New expander.
2836 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2838 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2839 (bc1any2t, bc1any2f): Likewise.
2840 (single_cc): New expander.
2841 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2843 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2845 * doc/md.texi: Update documentation of MIPS constraints.
2846 * config/mips/constraints.md: New file.
2847 * config/mips/mips.md: Include it.
2848 * config/mips/mips.c (mips_char_to_class): Delete.
2849 (override_options): Don't initialize mips_char_to_class.
2850 * config/mips/mips.h (mips_char_to_class): Delete.
2851 (REG_CLASS_FROM_LETTER): Delete.
2852 (CONST_OK_FOR_LETTER_P): Delete.
2853 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2854 (EXTRA_CONSTRAINT_Y): Delete.
2855 (EXTRA_CONSTRAINT_STR): Delete.
2856 (CONSTRAINT_LEN): Delete.
2857 (EXTRA_MEMORY_CONSTRAINT): Delete.
2859 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2861 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2862 original fn's eh regions.
2864 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2866 * fold-const.c (build_range_check): Make sure to use a valid type to
2867 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2870 (range_predecessor): New static function.
2871 (range_successor): Likewise.
2872 (merge_ranges): Use them to compute predecessors and successors of
2875 2006-03-09 Roger Sayle <roger@eyesopen.com>
2878 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2879 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2881 2006-03-08 DJ Delorie <dj@redhat.com>
2883 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2884 (addpsi3): Expand to include memory operands. Remove
2885 reload-specific splits.
2886 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2887 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2888 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2889 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2890 (shift1_qi, shift1_hi, insv): New.
2891 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2892 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2893 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2895 * config/m32c/m32c-protos.h: Update as needed.
2896 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2897 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2898 Fail for unrecognized R* constraints.
2899 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2900 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2901 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2903 (m32c_init_libfuncs): New.
2904 (m32c_legitimate_address_p): Add debug wrapper.
2905 (m32c_rtx_costs): New.
2906 (m32c_address_cost): New.
2907 (conversions): Add 'B' prefix.
2908 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2909 operands, or word regnames for QI operands. 'B' prints bit
2911 (m32c_expand_setmemhi): New.
2912 (m32c_expand_movmemhi): New.
2913 (m32c_expand_movstr): New.
2914 (m32c_expand_cmpstr): New.
2915 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2916 (m32c_expand_neg_mulpsi3): Handle non-ints.
2917 (m32c_cmp_flg_0): New.
2918 (m32c_expand_movcc): New.
2919 (m32c_expand_insv): New.
2920 (m32c_scc_pattern): New.
2921 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2922 a0/a1 out of SIregs.
2923 (STORE_FLAG_VALUE): New.
2924 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2927 * config/m32c/mov.md: Make constraints more liberal.
2928 (zero_extendqihi2): Optimize r0/r1 case.
2929 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2930 * config/m32c/predicates.md (m32c_any_operand): New.
2931 (m32c_nonimmediate_operand): New.
2932 (m32c_hl_operand): New.
2933 (m32c_r3_operand): New.
2936 (memsym_operand): New.
2937 (memimmed_operand): New.
2938 (a_qi_operand): New.
2939 (m32c_eqne_operator): New.
2940 (m32c_1bit8_operand): New.
2941 (m32c_1bit16_operand): New.
2942 (m32c_1mask8_operand): New.
2943 (m32c_1mask16_operand): New.
2944 * config/m32c/blkmov.md: New file.
2945 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2947 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2949 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2950 unsigned to fix signed/unsigned comparison issue in
2951 DWARF2_FRAME_REG_OUT.
2952 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2953 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2955 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2956 of ptr into the ENABLE_CHECKING section.
2958 2006-03-08 Jeff Law <law@redhat.com>
2960 * tree-vrp.c (infer_value_range): Only count pointer uses
2961 and dereferences if -fdelete-null-pointer-checks is enabled.
2963 * tree-vrp.c (find_assert_locations): Infer value ranges for
2964 single use pointers, but do not create ASSERT_EXPRs for them.
2965 When a non-null range is inferred for a pointer, backwards
2966 propagate that range to other equivalent pointers through the
2969 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2972 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2973 language hook targets.
2974 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2975 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2976 if language hook targets were missing.
2978 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2980 * tree-ssa-opfinalize.h: Removed.
2981 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2983 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2984 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2985 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2986 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2987 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2988 finalize_ssa_v_must_def_ops): New.
2990 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2992 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2995 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2997 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2999 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3000 addresses with offsets; reorganize.
3002 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3003 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3004 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3006 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3009 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3011 2006-03-08 Ben Elliston <bje@au.ibm.com>
3013 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3015 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3018 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3021 2006-03-07 Richard Guenther <rguenther@suse.de>
3023 PR tree-optimization/26587
3024 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3026 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3028 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3030 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3032 * hooks.c (hook_bool_mode_rtx_true): New function.
3033 * hooks.h (hook_bool_mode_rtx_true): Declare.
3034 * toplev.c (compile_file): Call output_shared_constant_pool.
3035 * varasm.c (shared_constant_pool): New variable.
3036 (assemble_start_function, assemble_end_function): Remove arguments
3037 from call to output_constant_pool.
3038 (create_constant_pool): New function, split out from...
3039 (init_varasm_status): ...here.
3040 (force_const_mem): Choose between the shared and per-function constant
3041 pools. Set current_function_uses_const_pool when reusing old entries
3042 as well as when creating new ones.
3043 (mark_constant): Ignore data argument.
3044 (mark_constants): Remove pool argument.
3045 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3046 to decide whether the function uses a constant pool.
3047 (output_constant_pool_contents): New function, split out from...
3048 (output_constant_pool): ...here.
3049 (output_shared_constant_pool): New function.
3050 (init_varasm_once): Initialize shared_constant_pool.
3051 * output.h (output_constant_pool): Delete.
3052 (output_shared_constant_pool): Declare.
3053 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3054 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3056 2006-03-06 Nick Clifton <nickc@redhat.com>
3058 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3059 flag_strength_reduce.
3061 2006-03-06 Ben Elliston <bje@au.ibm.com>
3063 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3064 x86_64-*-linux* configurations.
3066 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3067 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3069 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3071 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3073 * basic-block.h: Remove the extern for
3074 rediscover_loops_after_threading.
3076 * cfgloop.c (cancel_loop): Make it static.
3077 * cfgloop.h: Remove the prototype for cancel_loop.
3079 * flow.c (recompute_reg_usage): Make it static.
3080 * rtl.h: Remove the prototype for recompute_reg_usage.
3082 * function.c (use_return_register): Make it static.
3083 * function.h: Remove the prototype.
3085 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3087 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3089 * recog.h: Remove the prototype for
3090 validate_change_maybe_volatile.
3092 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3094 * rtlanal.c (replace_reg): Remove.
3095 * rtl.h: Remove the prototype for replace_reg.
3097 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3099 * regclass.c (reg_scan_update): Remove.
3100 (reg_scan_mark_refs): Remove the last argument.
3101 * rtl.h: Remove the prototype for reg_scan_update.
3103 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3105 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3106 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3107 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3108 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3109 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3110 loop-invariant.c, omp-low.c, opts.c, passes.c,
3111 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3112 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3113 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3114 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3115 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3116 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3118 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3120 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3121 * dwarf2out.h: Remove the prototype for
3122 dwarf2out_add_library_unit_info.
3124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3126 * tree.c (add_var_to_bind_expr): Remove.
3127 * tree.h: Remove the prototype for add_var_to_bind_expr.
3129 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3131 * regclass.c (n_non_fixed_regs): Remove.
3132 (init_reg_sets_1, globalize_reg): Remove all uses of
3134 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3136 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3138 * rtlanal.c (insns_safe_to_move_p): Remove.
3139 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3141 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3143 * expmed.c (expand_mult_add): Remove.
3144 * expr.h: Remove the prototype for expand_mult_add.
3146 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3148 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3149 and REG_SAVED_VAL_EXP constants.
3150 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3151 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3152 Handle regs stored by value.
3153 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3154 (execute_cfa_program): Handle DW_CFA_val_offset,
3155 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3156 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3157 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3158 (uw_install_context_1): Handle target regs stored by value.
3160 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3162 * tree-sra.c (tree_sra): Return todoflags;
3163 (generate_one_element): Set TODO_update_smt_usage if needed.
3164 (pass_sra): Remove TODO_update_smt_usage.
3165 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3167 (tree_ssa_forward_propagate_single_use_vars): Return
3168 TODO_update_smt_usage if we need to update SMT usage.
3169 (pass_forwprop): Remove TODO_update_smt_usage.
3171 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3173 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3174 (correct_use_link): Remove reference to get_stmt_operands.
3175 (update_stmt_operands): Likewise.
3176 (get_modify_expr_operands): New function factored out of
3177 parse_ssa_operands and get_expr_operands.
3178 Try to create V_MUST_DEFs for LHS by default.
3179 (get_expr_operands) <case MODIFY_EXPR>: Call
3180 get_modify_expr_operands.
3181 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3182 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3183 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3184 get_modify_expr_operands.
3186 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3188 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3189 * tree-flow.h: Remove the prototype for
3190 referenced_var_lookup_if_exists.
3192 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3194 PR rtl-optimization/26345
3196 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3198 2006-03-03 Roger Sayle <roger@eyesopen.com>
3200 PR tree-optimization/26524
3201 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3202 fold_convert to create a constant of the appropriate type.
3204 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3206 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3207 SYMBOL_REF_IN_BLOCK_P.
3208 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3209 of SYMBOL_FLAG_IN_BLOCK.
3210 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3211 instead of SYMBOL_REF_IN_BLOCK_P.
3212 * explow.c (use_anchored_address): Likewise.
3213 * rtl.c (rtx_size): Likewise.
3214 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3215 instead of SYMBOL_FLAG_IN_BLOCK.
3216 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3217 SYMBOL_REF_IN_BLOCK_P.
3218 (assemble_variable): Likewise.
3219 (output_constant_def_contents): Likewise.
3220 (output_constant_pool): Likewise.
3221 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3222 instead of SYMBOL_FLAG_IN_BLOCK.
3223 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3224 SYMBOL_REF_IN_BLOCK_P.
3225 (SYMBOL_REF_BLOCK): Likewise.
3226 (SYMBOL_REF_OFFSET): Likewise.
3227 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3228 SYMBOL_REF_IN_BLOCK_P.
3229 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3230 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3231 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3232 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3234 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3236 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3238 2006-03-02 Roger Sayle <roger@eyesopen.com>
3240 * simplify-rtx.c (simplify_unary_operation): When simplifying
3241 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3242 that we perform the right shift in the appropriate mode, and
3243 then extend or truncate the result to requested mode.
3245 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3247 * gengtype.c (main): Handle double_int type.
3248 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3249 * double-int.c: New file.
3250 * double-int.h: New file.
3251 * system.h: Include doubleint.h.
3252 * Makefile.in (SYSTEM_H): Include double-int.h.
3253 (double-int.o): Add.
3255 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3258 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3261 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3263 * tree-vrp.c (remove_range_assertions): Do not update statements
3266 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3268 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3270 * gcse.c (rest_of_handle_gcse): Ditto.
3271 * except.c (gate_handle_eh): Ditto.
3272 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3273 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3275 2006-03-02 Eric Christopher <echristo@apple.com>
3277 * config/i386/i386.c (machopic_output_stub): Add indirection to
3280 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3284 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3286 Sun Niagara specific optimizations.
3287 * config.gcc: Recognize niagara as target.
3288 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3289 (TARGET_CPU_niagara): Define.
3290 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3291 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3292 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3293 (ASM_CPU_SPEC): Likewise.
3294 (PROCESSOR_NIAGARA): New enum entry.
3295 (REGISTER_MOVE_COST): Handle Niagara.
3296 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3297 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3298 (sparc_override_options): Recognize "niagara", set appropriate
3299 default MASK_* values for it, and align functions to 32-bytes
3300 by default just like ULTRASPARC/ULTRASPARC3.
3301 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3302 (sparc64_initialize_trampoline): Likewise.
3303 (sparc_use_sched_lookahead): Use zero for niagara.
3304 (sparc_issue_rate): Use one for niagara.
3305 * config/sparc/niagara.md: New file.
3306 * config/sparc/sparc.md: Include it.
3307 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3308 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3309 when default cpu is niagara.
3310 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3311 (ASM_CPU_SPEC): Likewise.
3312 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3313 when default cpu is niagara.
3314 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3315 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3316 just like v9/ultrasparc/ultrasparc3.
3317 * doc/invoke.texi: Add documentation for "niagara" and improve
3318 existing documentation for ultrasparc variants.
3320 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3322 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3324 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3326 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3327 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3328 and say that only one is needed.
3329 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3330 * target.h (have_switchable_bss_sections): New hook.
3331 * explow.c (use_anchored_address): Check that the symbol is in a block.
3332 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3333 (bss_noswitch_section): New variables.
3334 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3335 (get_noswitch_section): New function.
3336 (get_block_for_section): Allow SECT to be null.
3337 (unlikely_text_section_p): Use SECTION_STYLE.
3338 (bss_initializer_p): New function.
3339 (get_variable_section): Move earlier in file. Take a new argument,
3340 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3341 Return one of the new *_sections in such cases.
3342 (get_block_for_decl): New function, extracting some logic from
3343 use_blocks_for_decl_p.
3344 (change_symbol_section): Remove in favor of...
3345 (change_symbol_block): ...this new function.
3346 (use_blocks_for_decl_p): Remove checks now performed by
3348 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3349 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3350 (emit_local, emit_bss, emit_common): ...these new functions.
3351 Return true if the alignment was honored.
3352 (emit_tls_common): New function.
3353 (asm_emit_uninitialised): Delete.
3354 (assemble_variable_noswitch): New function, split out from...
3355 (assemble_variable): ...here. Don't make decisions about common
3356 variables here. Globalize all public decls that go into non-common
3357 sections. Check whether SYMBOL_REF_BLOCK is null.
3358 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3359 (output_constant_pool): Likewise.
3360 (init_varasm_once): Initialize the new section variables.
3361 (have_global_bss_p): New function.
3362 (categorize_decl_for_section): Use bss_initializer_p.
3363 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3364 (place_block_symbol): Assert that the symbol must be in a block.
3365 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3366 (TARGET_INITIALIZER): Include it.
3367 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3368 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3369 (SECTION_MACH_DEP): Bump by two.
3370 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3371 (unnamed_section): Mention SECTION_UNNAMED in comment.
3372 (named_section): Likewise SECTION_NAMED.
3373 (noswitch_section_callback): New type.
3374 (noswitch_section): New structure.
3375 (section): Add a noswitch_section alternative.
3376 (SECTION_STYLE): New macro.
3377 (tls_comm_section, comm_section, lcomm_section): Declare.
3378 (bss_noswitch_section, have_global_bss_p): Declare.
3379 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3380 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3382 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3383 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3386 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3388 * gcc/tree-vrp.c (execute_vrp): Return value.
3389 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3390 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3391 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3392 (tree_lower_complex_O0): Ditto.
3393 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3394 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3395 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3396 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3397 (execute_tail_calls): Ditto.
3398 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3399 * gcc/tree.h (init_function_for_compilation): Ditto.
3400 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3401 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3402 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3403 * gcc/final.c (compute_alignments): Ditto.
3404 (rest_of_handle_final): Ditto.
3405 (rest_of_handle_shorten_branches): Ditto.
3406 (rest_of_clean_state): Ditto.
3407 * gcc/omp-low.c (execute_expand_omp): Ditto.
3408 (execute_lower_omp): Ditto.
3409 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3410 * gcc/ipa-reference.c (static_execute): Ditto.
3411 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3412 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3413 (rest_of_handle_machine_reorg): Ditto.
3414 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3415 * gcc/flow.c (recompute_reg_usage): Ditto.
3416 (rest_of_handle_remove_death_notes): Ditto.
3417 (rest_of_handle_life): Ditto.
3418 (rest_of_handle_flow2): Ditto.
3419 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3420 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3421 (do_ssa_store_ccp): Ditto.
3422 (execute_fold_all_builtins): Ditto.
3423 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3424 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3425 * gcc/ipa-pure-const.c (static_execute): Ditto.
3426 * gcc/cse.c (rest_of_handle_cse): Ditto.
3427 (rest_of_handle_cse2): Ditto.
3428 * gcc/web.c (rest_of_handle_web): Ditto.
3429 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3430 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3431 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3432 * gcc/tree-nrv.c (tree_nrv): Ditto.
3433 (execute_return_slot_opt): Ditto.
3434 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3435 (create_structure_vars): Ditto.
3436 * gcc/loop-init.c (rtl_loop_init): Ditto.
3437 (rtl_loop_done): Ditto.
3438 (rtl_move_loop_invariants): Ditto.
3439 (rtl_unswitch): Ditto.
3440 (rtl_unroll_and_peel_loops): Ditto.
3441 (rtl_doloop): Ditto.
3442 * gcc/gimple-low.c (lower_function_body): Ditto.
3443 (mark_used_blocks): Ditto.
3444 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3445 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3446 (cgraph_early_inlining): Ditto.
3447 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3448 * gcc/jump.c (cleanup_barriers): Ditto.
3449 (purge_line_number_notes): Ditto.
3450 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3451 (rest_of_handle_if_after_reload): Ditto.
3452 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3453 (tree_ssa_loop_im): Ditto.
3454 (tree_ssa_loop_unswitch): Ditto.
3455 (tree_vectorize): Ditto.
3456 (tree_linear_transform): Ditto.
3457 (tree_ssa_loop_ivcanon): Ditto.
3458 (tree_ssa_empty_loop): Ditto.
3459 (tree_ssa_loop_bounds): Ditto.
3460 (tree_complete_unroll): Ditto.
3461 (tree_ssa_loop_prefetch): Ditto.
3462 (tree_ssa_loop_ivopts): Ditto.
3463 (tree_ssa_loop_done): Ditto.
3464 * gcc/predict.c (tree_estimate_probability): Ditto.
3465 * gcc/recog.c (split_all_insns_noflow): Ditto.
3466 (rest_of_handle_peephole2): Ditto.
3467 (rest_of_handle_split_all_insns): Ditto.
3468 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3469 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3470 (rest_of_handle_stack_adjustments): Ditto.
3471 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3472 * gcc/function.c (instantiate_virtual_regs): Ditto.
3473 (init_function_for_compilation): Ditto.
3474 (rest_of_handle_check_leaf_regs): Ditto.
3475 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3476 (rest_of_handle_gcse): Ditto.
3477 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3478 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3479 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3480 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3481 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3482 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3483 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3484 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3485 * gcc/except.c (set_nothrow_function_flags): Ditto.
3486 (convert_to_eh_region_ranges): Ditto.
3487 (rest_of_handle_eh): Ditto.
3488 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3489 (remove_unnecessary_notes): Ditto.
3490 * gcc/except.h (set_nothrow_function_flags): Ditto.
3491 (convert_to_eh_region_ranges): Ditto.
3492 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3493 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3494 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3495 (execute_fre): Ditto.
3496 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3497 (rest_of_handle_jump2): Ditto.
3498 * gcc/tree-sra.c (tree_sra): Ditto.
3499 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3500 (execute_mudflap_function_decls): Ditto.
3501 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3502 (do_store_copy_prop): Ditto.
3503 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3504 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3505 * gcc/tree-ssa-forwprop.c
3506 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3507 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3508 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3509 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3510 (execute_late_warn_uninitialized): Ditto.
3511 * gcc/rtl.h (cleanup_barriers): Ditto.
3512 (split_all_insns_noflow): Ditto.
3513 (purge_line_number_notes): Ditto.
3514 (unshare_all_rtl): Ditto.
3515 (remove_unnecessary_notes): Ditto.
3516 (recompute_reg_usage): Ditto.
3517 (variable_tracking_main): Ditto.
3518 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3519 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3520 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3521 (execute_free_cfg_annotations): Ditto.
3522 (execute_fixup_cfg): Ditto.
3523 (execute_cleanup_cfg_pre_ipa): Ditto.
3524 (execute_cleanup_cfg_post_optimizing): Ditto.
3525 (execute_init_datastructures): Ditto.
3526 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3527 * gcc/combine.c (rest_of_handle_combine): Ditto.
3528 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3529 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3530 (rest_of_handle_reorder_blocks): Ditto.
3531 (rest_of_handle_partition_blocks): Ditto.
3532 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3533 * gcc/tree-profile.c (tree_profiling): Ditto.
3534 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3535 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3536 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3537 (rest_of_handle_sched2): Ditto.
3538 * gcc/basic-block.h (free_bb_insn): Ditto.
3539 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3540 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3541 (remove_useless_stmts): Ditto.
3542 (split_critical_edges): Ditto.
3543 (execute_warn_function_return): Ditto.
3544 (execute_warn_function_noreturn): Ditto.
3545 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3546 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3547 * gcc/passes.c (execute_one_pass): Run additional
3548 todos returned by execute function.
3549 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3552 2006-03-02 Richard Guenther <rguenther@suse.de>
3554 * tree-ssa-alias.c (find_used_portions): Consider taking
3555 the address as making the variable not write-only.
3557 2006-03-02 Nick Clifton <nickc@redhat.com>
3559 * config.gcc (default_use_cxa_atexit): Extend the description of
3560 this configure variable. Set its default value to "yes" for
3561 Linux, NetBSD and ELF targets on the assumption that they will
3562 use C libraries with the __cxa_atexit function.
3564 2006-03-02 Ben Elliston <bje@au.ibm.com>
3566 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3567 parameter as unused to suppress a build warning.
3569 2006-03-02 Ben Elliston <bje@au.ibm.com>
3571 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3574 2006-03-01 Roger Sayle <roger@eyesopen.com>
3577 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3578 declared name, the weak reference name, and the typeof name.
3579 (__gthrw): Avoid expanding the declared name suffix.
3580 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3582 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3584 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3586 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3587 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3588 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3589 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3590 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3591 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3592 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3593 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3594 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3595 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3596 (DW_END_default, DW_END_big, DW_END_little): New.
3597 (DW_END_lo_user, DW_END_hi_user): Define.
3598 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3599 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3600 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3603 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3605 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3607 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3609 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3611 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3613 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3614 to 'symbol_mem_tag'.
3616 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3619 2006-03-01 Roger Sayle <roger@eyesopen.com>
3621 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3623 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3626 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3627 MACHO_DYNAMIC_NO_PIC_P.
3628 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3630 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3633 * config/darwin-protos.h (darwin_asm_output_anchor):
3635 * config/darwin-sections.def (cstring_section):
3636 Add SECTION_MERGE to the flags.
3637 (literal4_section): Likewise.
3638 (literal8_section): Likewise.
3639 (objc_selector_refs_section): Likewise.
3640 (objc_cls_refs_section): Likewise.
3641 * config/darwin.c (darwin_asm_output_anchor): New
3643 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3645 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3647 Fix PR tree-optimization/26443
3648 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3649 to todo and PROP_tmt_usage to properties_destroyed.
3650 * tree-ssa-ccp.c (pass_ccp): Ditto.
3651 (pass_store_ccp): Ditto.
3652 * tree-ssa-dom.c (pass_dominator): Ditto.
3654 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3656 * tree-ssa-operands.c: Cleanup whitespace.
3657 (get_asm_expr_operands): Move before first invocation.
3658 (get_indirect_ref_operands): Likewise.
3659 (get_tmr_operands): Likewise.
3660 (get_call_expr_operands): Likewise.
3661 (append_def): Likewise.
3662 (append_use): Likewise.
3663 (append_v_may_def): Likewise.
3664 (append_v_must_def): Likewise.
3665 (add_call_clobber_ops): Likewise.
3666 (add_call_read_ops): Likewise.
3667 (add_stmt_operand): Likewise.
3668 (add_virtual_operand): Likewise.
3669 (build_ssa_operands): Likewise.
3671 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3676 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3677 with a call expr to ...
3678 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3680 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3682 * tree-vrp.c (extract_range_from_assert): Remove special
3683 handling for types with super-types.
3685 2006-03-01 Ben Elliston <bje@au.ibm.com>
3687 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3688 and powerpc64-*-linux* configurations.
3689 * config/t-dfprules: New file.
3691 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3692 Compile dfp-bit.c from the source directory using -DWIDTH and
3693 $DFP_CFLAGS to control the compilation of that file, rather than
3694 generating width-specific versions in the build directory.
3695 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3696 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3698 2006-02-28 Zack Weinberg <zackw@panix.com>
3700 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3703 2006-02-28 Eric Christopher <echristo@apple.com>
3705 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3706 Set up IN_LIBGCC definition of TARGET_64BIT.
3707 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3709 2006-02-28 Roger Sayle <roger@eyesopen.com>
3712 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3713 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3714 cases via the construction of "expr != 0".
3716 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3718 * alias.c (alias_invariant, alias_invariant_size): Remove.
3719 (record_base_value): Remove.
3720 (memrefs_conflict_p): Don't look at alias_invariant.
3721 (end_alias_analysis): Don't free it.
3722 * alias.h (record_base_value): Remove prototype.
3724 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3725 Adam Nemet <anemet@caviumnetworks.com>
3727 * rtl.h (truncated_to_mode): Declare it.
3728 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3729 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3730 (RTL_HOOKS_INITIALIZER): Include it.
3731 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3732 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3733 reg_truncated_to_mode.
3734 * rtlanal.c (truncated_to_mode): Define it.
3735 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3737 2006-02-28 Jeff Law <law@redhat.com>
3739 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3740 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3741 the range allowed by TYPE_PRECISION.
3743 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3745 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3747 PR tree-optimization/26419
3748 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3751 2006-02-27 Zack Weinberg <zackw@panix.com>
3753 * doc/md.texi: Fix typo in previous change.
3755 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3759 2006-02-27 Zack Weinberg <zackw@panix.com>
3761 * rtl.def (define_constraint, define_register_constraint)
3762 (define_memory_constraint, define_address_constraint): New MD forms.
3763 * gensupport.c (process_rtx): Put define_constraint etc on the
3765 * genpreds.c (process_define_predicate): Adjust comment. Validate
3766 the name, and call validate_exp to validate the expression.
3767 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3768 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3769 all callers changed.
3770 (validate_exp, needs_variable, struct constraint_data)
3771 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3772 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3773 (const_dbl_constraints, constraint_max_namelen)
3774 (have_register_constraints, have_memory_constraints)
3775 (have_address_constraints, have_address_constraints)
3776 (have_extra_constraints, have_const_int_constraints)
3777 (have_const_dbl_constraints, mangle, add_constraint)
3778 (process_define_constraint, process_define_register_constraint)
3779 (write_enum_constraint_num, write_lookup_constraint)
3780 (write_insn_constraint_len, write_regclass_for_constraint)
3781 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3782 (write_insn_extra_memory_constraint)
3783 (write_insn_extra_address_constraint)
3784 (write_satisfies_constraint_fns): New.
3785 (write_tm_preds_h): If we have new-style constraint definitions,
3786 prototype the functions generated from them, and define the
3787 old constraint interface (still used by generic code) in terms of
3789 (write_insn_preds_c): If we have new-style constraint definitions,
3790 generate all relevant functions from those definitions.
3791 (main): Handle define_constraint etc.
3792 * genoutput.c (struct constraint_data, indep_constraints)
3793 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3794 (mdep_constraint_len): New data structures and functions, defined
3795 #ifdef USE_MD_CONSTRAINTS.
3796 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3797 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3798 use new logic to validate operand constraints against constraint
3800 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3802 * defaults.h: If none of the old-style constraint macros are
3803 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3804 old-style macros; and poison REG_CLASS_FROM_LETTER,
3805 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3807 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3808 * doc/md.texi: Document new constraint-definition mechanism and the
3809 C interface it provides. Remove references to old mechanism
3810 elsewhere in the document.
3811 (Machine Constraints): Use pathnames relative to gcc directory,
3812 i.e. config/ARCH/FILE. Change i386 section to refer to
3813 config/i386/predicates.md; update that section to match docstrings.
3814 * doc/tm.texi: Move all documentation of the old constraint-
3815 definition macros to their own section, clearly mark as obsolete.
3817 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3818 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3820 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3821 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3822 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3824 (splits and peepholes): Use satisfies_constraint_*.
3825 * config/i386/i386.c (memory_address_length)
3826 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3828 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3830 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3831 scalar operation to be put back into the loop.
3833 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3836 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3837 (extract_cie_info): Handle S flag in augmentation string.
3838 (execute_cfa_program): If context->signal_frame, execute also
3839 fs->pc == context->ra instructions.
3840 (uw_frame_state_for): If context->signal_frame, don't subtract one
3841 from context->ra to find FDE.
3842 (uw_update_context_1): Set context->signal_frame to
3844 (_Unwind_GetIPInfo): New function.
3845 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3846 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3848 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3849 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3850 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3851 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3852 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3853 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3854 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3855 x86_64_fallback_frame_state): Set fs->signal_frame.
3856 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3857 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3858 (frob_update_context): Likewise. Workaround missing S flag in
3859 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3860 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3861 Remove the psw_addr + 1 hack.
3863 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3865 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3866 with aggregates here.
3867 (find_func_aliases): Remove code for &<aggregate> from here.
3869 2006-02-26 Roger Sayle <roger@eyesopen.com>
3871 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3872 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3873 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3876 2006-02-26 Roger Sayle <roger@eyesopen.com>
3879 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3881 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3883 * opts.c (decode_options): Do not handle flag_strength_reduce.
3884 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3885 and OPT_fstrength_reduce.
3886 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3887 flag_prefetch_loop_arrays for being nonzero.
3888 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3890 (fprefetch-loop-arrays-rtl): Removed.
3891 (flag_prefetch_loop_arrays): Do not specify the value.
3893 * doc/passes.texi: Update documentation of loop optimizer
3895 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3896 -frerun-loop-opt): Remove.
3898 2006-02-26 Richard Guenther <rguenther@suse.de>
3900 PR tree-optimization/26421
3901 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3902 in function calls that are ADDR_EXPRs as using the whole structure.
3904 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3906 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3907 * tree-pass.h (pass_loop_optimize): Remove.
3908 * passes.c (pass_loop_optimize): Never run it.
3909 * toplev.c (backend_init): Don't call init_loop.
3910 * opts.c (flag_loop_optimize_set): Remove.
3911 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3912 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3913 the old RTL loop optimizer when profiling enabled.
3914 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3915 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3916 pre-headers for the sake of the old RTL loop optimizer.
3917 * Makefile.in: Remove all references to loop.o.
3919 * doc/invoke.texi: Remove all references to -floop-optimize
3920 and -frerun-loop-opt.
3922 2006-02-26 Zack Weinberg <zackw@panix.com>
3924 * doc/md.texi (Machine Constraints): Refer to all files with paths
3925 relative to gcc directory (i.e. config/CPU/file). Add missing
3926 @table @code ... @end table to M32C subsection.
3928 2006-02-26 Roger Sayle <roger@eyesopen.com>
3930 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3932 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3934 2006-02-26 Roger Sayle <roger@eyesopen.com>
3935 James A. Morrison <phython@gcc.gnu.org>
3938 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3939 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3940 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3941 signedness of the shift operation.
3943 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3945 PR tree-optimization/26359
3946 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3948 2006-02-25 Roger Sayle <roger@eyesopen.com>
3950 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3951 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3952 as X == 0, and some symmetry related transformations.
3953 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3955 2006-02-25 Roger Sayle <roger@eyesopen.com>
3958 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3959 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3960 symmetry related transformations. Fold (X^C1) == C2 as
3963 2006-02-25 Juergen Weigert <jw@suse.de>
3964 Richard Guenther <rguenther@suse.de>
3966 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3968 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3970 * combine.c (gen_lowpart_or_truncate): Call
3971 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3973 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3975 * doc/invoke.texi: Move -fopenmp description to "Options for
3977 Remove reference to -lgomp.
3979 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3981 * doc/install.texi: Require GNU tar version 1.14.
3983 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3985 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3986 * doc/invoke.texi (C++ Dialect Options): Document
3987 -fno-use-cxa-get-exception-ptr.
3988 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3989 * configure: Regenerate.
3990 * c.opt (fuse-cxa-get-exception-ptr): New.
3991 * c-opts.c (c_common_handle_option): Handle
3992 OPT_fuse_cxa_get_exception_ptr.
3993 * c-common.c (flag_use_cxa_atexit): Update documentation.
3994 (flag_use_cxa_get_exception_ptr): New.
3995 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3996 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3998 (C_COMMON_OVERRIDE_OPTIONS): New.
4000 2006-02-24 Roger Sayle <roger@eyesopen.com>
4003 * combine.c (try_combine): Explicitly check whether GET_CODE is
4004 a SET or a CLOBBER, instead on checking that it isn't a USE.
4006 2006-02-24 Roger Sayle <roger@eyesopen.com>
4008 * fold-const.c (fold_comparison): New subroutine of fold_binary
4009 containing transformations common to both the equality and
4010 ordering relational operators, factored out of fold_binary.
4011 (fold_binary): Separate out the equality operators (EQ_EXPR
4012 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4013 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4014 transformations common to both.
4015 (fold_div_compare): Fix latent bugs in the previously unreachable
4016 LT_EXPR and GE_EXPR cases.
4018 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4020 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4021 decl libname for clog to __clog on AIX.
4023 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4025 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4028 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4029 output traceback table for thunks. Localise rs6000_stack_info call.
4031 2006-02-23 Roger Sayle <roger@eyesopen.com>
4032 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4034 * gthr-posix.h (__gthrw): Fix typo in comment.
4036 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4038 * doc/cpp.texi (Character sets): Document that we do support
4039 input files to be in any character set.
4041 2006-02-23 Jeff Law <law@redhat.com>
4043 * tree.h (PHI_ARG_NONZERO): Remove.
4044 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4045 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4046 node to the new node.
4048 PR tree-optimization/26425
4049 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4050 min/max, then assume its varying.
4052 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4054 PR rtl-optimization/26316
4055 * rtlanal.c (enum may_trap_p_flags): New.
4056 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4057 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4058 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4059 (may_trap_after_code_motion_p): New function.
4060 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4061 (find_invariant_insn): Use may_trap_after_code_motion_p.
4062 * rtl.h (may_trap_after_code_motion_p): Declare.
4064 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4066 * emit-rtl.c (immed_double_const): Cleanup.
4068 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4070 Fix PR tree-optimization/26376
4071 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4074 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4077 * gimplify.c (omp_add_variable): Guard variable size decl test with
4078 DECL_SIZE (decl) check.
4080 2006-02-23 Richard Guenther <rguenther@suse.de>
4083 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4084 like aggregate types.
4086 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4088 * configure.ac: Add --with{,out}-long-double-128 configure option.
4089 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4090 * configure: Rebuilt.
4091 * config.in: Rebuilt.
4092 * doc/install.texi (Options specification): Document
4093 --with-long-double-128.
4095 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4096 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4097 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4098 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4100 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4102 * config/s390/s390.c (override_options): Handle
4103 TARGET_DEFAULT_LONG_DOUBLE_128.
4105 * config/alpha/alpha.c (override_options): Handle
4106 TARGET_DEFAULT_LONG_DOUBLE_128.
4108 * config/sparc/sparc.c (sparc_override_options): Handle
4109 TARGET_DEFAULT_LONG_DOUBLE_128.
4111 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4113 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4114 (real-install-headers-tar, real-install-headers-cpio)
4115 (real-install-headers-cp): New targets.
4117 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4119 * tree.h (variable_section): Delete.
4120 * varasm.c (variable_section): Delete.
4122 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4124 * install.texi: Add notes on install.texi2html.
4125 (Building in parallel): Do not use footnotes.
4127 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4130 * doc/install.texi (Configuration): Document --disable-libgomp.
4132 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4134 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4136 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4138 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4139 (vec_extractv2df_0_sse): New.
4141 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4143 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4144 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4145 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4146 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4147 to the result of the expression.
4148 (def_cfa_1): Adjust.
4149 (frame_pointer_cfa_offset): Rename to...
4150 (frame_pointer_fb_offset): ... this. Adjust all uses.
4151 (convert_cfa_to_loc_list): Rename to...
4152 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4153 Pass it on to build_cfa_loc.
4154 (compute_frame_pointer_to_cfa_displacement): Rename to...
4155 (compute_frame_pointer_to_fb_displacement): ... this. New
4156 offset parameter. Use it in computation.
4157 (gen_subprogram_die): Compute cfa_fb_offset with the new
4158 macro, and use it to compute the fb loc list and the
4161 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4163 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4164 replaced with register_operand.
4165 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4166 non-DREG is expensive.
4167 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4168 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4171 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4173 * doc/install.texi2html: Use set -e.
4175 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4177 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4178 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4179 * doc/invoke.texi (-fshared-data): Delete.
4180 * common.opt (fshared-data): Delete.
4181 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4182 (assemble_static_space): Remove #if 0 code.
4183 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4184 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4185 * config/cris/cris.h: Remove FIXME.
4187 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4189 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4192 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4195 * combine.c (simplify_shift_const_1): Disable nested shifts
4196 optimization for vector shifts.
4198 2006-02-20 Roger Sayle <roger@eyesopen.com>
4200 PR tree-optimization/26361
4201 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4202 of unsigned integer types.
4204 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4206 * tree-chrec.c (eq_evolutions_p): New.
4207 * tree-chrec.h (eq_evolutions_p): Declared.
4208 * tree-data-ref.c: Fix formatting.
4209 (datadep_stats, dependence_stats): New.
4211 (print_direction_vector): New.
4212 (dump_data_dependence_relation): Use print_direction_vector.
4213 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4214 (compute_subscript_distance): Static.
4215 (initialize_data_dependence_relation): Static. Get the number
4216 of loops surrounding the references from the callers, and initialize
4217 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4218 base_object_differ_p analyzers.
4219 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4220 compute_overlap_steps_for_affine_1_2,
4221 analyze_subscript_affine_affine): Count the classified dependences.
4222 Print a message when a test failed.
4223 (can_use_analyze_subscript_affine_affine): New.
4224 (analyze_siv_subscript): Compute the data dependences on symbolic
4225 scevs that verify can_use_analyze_subscript_affine_affine.
4226 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4227 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4228 Handle symbolic scevs.
4229 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4231 (subscript_dependence_tester): Moved...
4232 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4233 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4234 DDR_SIZE_VECT instead of getting it in parameter.
4235 (subscript_dependence_tester): ... here. Take as a parameter
4236 loop_nest_depth. Call build_classic_dist_vector and
4237 build_classic_dir_vector.
4238 (compute_affine_dependence): Update subscript_dependence_tester
4239 parameters. Update datadep_stats counters. Call
4240 compute_subscript_distance.
4241 (compute_self_dependence): Save the dist and dir vectors. Call
4242 compute_subscript_distance.
4243 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4244 (compute_all_dependences): Reorder parameters as they were before
4245 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4246 compute_subscript_distance. Update the use of
4247 compute_affine_dependence and initialize_data_dependence_relation.
4248 (find_data_references_in_loop): Handle COMPONENT_REF.
4249 (compute_data_dependences_for_loop): Initialize dependence_stats.
4250 Don't call build_classic_dist_vector and build_classic_dir_vector.
4251 Update the parameters of initialize_data_dependence_relation and
4252 compute_all_dependences. Print the statistics from datadep_stats.
4253 (analyze_all_data_dependences): Static. Not used until the pass for
4254 checking the data dependences is contributed.
4255 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4256 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4257 (initialize_data_dependence_relation, compute_affine_dependence,
4258 analyze_all_data_dependences, compute_subscript_distance): Removed.
4259 (print_direction_vector): New.
4260 * lambda.h (gcd): ... here.
4261 (lambda_vector_gcd): Moved here from gcd_vector.
4262 * lambda-code.c (gcd, gcd_vector): Removed.
4263 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4264 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4266 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4268 * ipa-type-escape.c: Tidy some comments and white space.
4269 * tree-ssa-operands.c: Likewise.
4271 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4274 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4275 (dump_decl_name): Do not walk the decl tree chains.
4276 * tree-pass.h (TDF_CHAIN): Remove.
4278 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4280 * Makefile.in (C): Remove
4282 (.PHONY): Remove C and PROTO
4284 2006-02-20 Roger Sayle <roger@eyesopen.com>
4287 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4288 deprecated CHAR_TYPE tree code.
4290 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4292 * configure.ac (target_list): Add install-info, dvi, html.
4293 * configure: Regenerate.
4295 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4296 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4297 treelang/Make-lang.in: Do not use double-colon rules.
4299 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4301 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4302 (TMT_USED_ALONE): New macro.
4303 * tree-pass.h (PROP_tmt_usage): New property.
4304 (TODO_update_tmt_usage): New todo.
4305 * tree-ssa-alias.c (updating_used_alone): New variable.
4306 (recalculate_used_alone): New function.
4307 (compute_may_aliases): Set updating_used_alone, call
4308 recalculate_used_alone.
4309 * tree-sra.c (pass_sra): Note that this pass destroys
4310 PROP_tmt_usage, and add TODO_update_tmt_usage.
4311 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4312 * tree-flow.h (updating_used_alone): Prototype.
4313 (recalculate_used_alone): Ditto.
4314 * passes.c (execute_todo): Add code to set updating_used_alone,
4315 and call recalculate.
4316 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4317 for clobber if used alone, and add assert to verify used_alone
4320 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4322 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4323 for non tls symbols added.
4324 (legitimize_address): Do nothing for PLUS expressions if one of the
4325 addends is a tls symbol reference.
4327 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4331 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4333 * Makefile.in (BOOTSTRAPPING): New.
4334 (quickstrap): New definition if BOOTSTRAPPING=yes.
4336 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4337 * configure.ac: Substitute all_selected_languages with the languages
4338 that were configured. For all the other variables except
4339 lang_specs_files, include all the languages in the tree.
4340 * configure: Regenerate.
4342 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4343 if there is one. Run the commands to run fixincludes in the same
4346 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4347 * doc/install.texi: Document exact conventions for searching target tools.
4348 Document --with-build-time-tools. Document toplevel bootstrap. Document
4349 something more about building an Ada cross-compiler. Don't list GNU Make
4350 requirements which affect all platforms.
4352 2006-02-19 Roger Sayle <roger@eyesopen.com>
4355 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4356 only equivalent if the have both the same mode and precision.
4358 2006-02-20 Ben Elliston <bje@au.ibm.com>
4360 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4362 2006-02-19 Roger Sayle <roger@eyesopen.com>
4363 Steven Bosscher <stevenb.gcc@gmail.com>
4365 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4366 constant pool references to identify stack mode constants.
4367 * rtlanal.c (constant_pool_constant_p): New predicate to check
4368 whether operand is a floating point constant in the pool.
4369 * rtl.h (constant_pool_constant_p): Prototype here.
4370 * loop.c (scan_loop): Avoid hoisting constants from the constant
4371 pool on STACK_REGS targets.
4372 (load_mems): Likewise.
4373 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4374 loads into x87 registers expensive in terms of register pressure.
4376 2006-02-19 Roger Sayle <roger@eyesopen.com>
4378 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4379 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4381 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4383 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4384 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4386 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4388 * doc/invoke.texi: Document -fipa-pta.
4389 * common.opt: Add ipa-pta option.
4390 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4391 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4392 (do_ds_constraint): Ditto.
4393 (get_constraint_for): Only add to referenced_vars if
4394 referenced_vars exists.
4395 (insert_into_field_list): Rewrite to do this unsorted.
4396 (insert_into_field_list_sorted): Rename old insert_into_field_list
4398 (create_function_info_for): Use insert_into_field_list_sorted.
4399 (create_variable_info_for): Rewrite so it uses unsorted version,
4400 since the field list is sorted.
4401 (intra_create_variable_infos): Only add to referenced_vars if
4402 referenced_vars exists.
4403 (ipa_pta_execute): Init heapvars, and delete when done.
4404 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4406 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4408 * doc/install.texi: Add missing `@samp'.
4410 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4412 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4415 2006-02-18 Mark Wielaard <mark@klomp.org>
4417 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4418 who added new 4.1 features, bug fixes and integration support.
4420 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4423 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4426 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4428 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4429 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4430 (copy_insn_1): Likewise. Don't copy each field individually.
4432 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4434 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4435 * rtl.c (rtx_size): Rename variable to...
4436 (rtx_code_size): ...this.
4437 (rtx_size): New function.
4438 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4439 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4441 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4442 * rtl.h (rtx_code_size): New variable.
4443 (rtx_size): Change from a variable to a function.
4444 (RTX_SIZE): Rename to...
4445 (RTX_CODE_SIZE): ...this.
4448 PR tree-optimization/17106
4449 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4450 (Anchored Addresses): New section.
4451 * doc/invoke.texi (-fsection-anchors): Document.
4452 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4453 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4454 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4455 * hooks.c (hook_bool_mode_rtx_false): New function.
4456 * hooks.h (hook_bool_mode_rtx_false): Declare.
4457 * gengtype.c (create_optional_field): New function.
4458 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4459 SYMBOL_REF_IN_BLOCK_P is true.
4460 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4461 (min_anchor_offset, max_anchor_offset): Likewise.
4462 (use_anchors_for_symbol_p): New hook.
4463 * toplev.c (compile_file): Call output_object_blocks.
4464 (target_supports_section_anchors_p): New function.
4465 (process_options): Check that -fsection-anchors is only used on
4466 targets that support it and when -funit-at-a-time is in effect.
4467 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4468 if the decl doesn't have one.
4469 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4470 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4471 of force_const_mem through use_anchored_address.
4472 (expand_expr_constant): New function.
4473 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4474 calling expand_expr for INDIRECT_REF.
4475 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4476 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4477 * expr.h (use_anchored_address): Declare.
4478 * loop-unroll.c: Don't declare rtx vectors here.
4479 * explow.c: Include output.h.
4480 (validize_mem): Call use_anchored_address.
4481 (use_anchored_address): New function.
4482 * common.opt (-fsection-anchors): New switch.
4483 * varasm.c (object_block_htab, anchor_labelno): New variables.
4484 (hash_section, object_block_entry_eq, object_block_entry_hash)
4485 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4486 (use_blocks_for_decl_p, change_symbol_section): New functions.
4487 (get_variable_section): New function, split out from assemble_variable.
4488 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4489 use_blocks_for_decl_p say so. Use change_symbol_section if the
4490 symbol has already been created.
4491 (assemble_variable_contents): New function, split out from...
4492 (assemble_variable): ...here. Don't output any code for
4493 block symbols; just pass them to place_block_symbol.
4494 Use get_variable_section and assemble_variable_contents.
4495 (get_constant_alignment, get_constant_section, get_constant_size): New
4496 functions, split from output_constant_def_contents.
4497 (build_constant_desc): Create a block symbol if use_object_blocks_p
4498 says so. Or into SYMBOL_REF_FLAGS.
4499 (assemble_constant_contents): New function, split from...
4500 (output_constant_def_contents): ...here. Don't output any code
4501 for block symbols; just pass them to place_section_symbol.
4502 Use get_constant_section and get_constant_alignment.
4503 (force_const_mem): Create a block symbol if use_object_blocks_p and
4504 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4505 (output_constant_pool_1): Add an explicit alignment argument.
4506 Don't switch sections here.
4507 (output_constant_pool): Adjust call to output_constant_pool_1.
4508 Switch sections here instead. Don't output anything for block symbols;
4509 just pass them to place_block_symbol.
4510 (init_varasm_once): Initialize object_block_htab.
4511 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4512 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4513 (place_block_symbol, get_section_anchor, output_object_block)
4514 (output_object_block_htab, output_object_blocks): New functions.
4515 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4516 (TARGET_ASM_OUT): Include it.
4517 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4518 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4519 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4520 (TARGET_INITIALIZER): Include them.
4521 * rtl.c (rtl_check_failed_block_symbol): New function.
4522 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4523 (block_symbol, object_block): New structures.
4524 (rtx_def): Add a block_symbol field to the union.
4525 (BLOCK_SYMBOL_CHECK): New macro.
4526 (rtl_check_failed_block_symbol): Declare.
4527 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4528 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4529 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4530 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4531 * output.h (output_section_symbols): Declare.
4532 (object_block): Name structure.
4533 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4534 (default_use_anchors_for_symbol_p): Declare.
4535 * Makefile.in (RTL_BASE_H): Add vec.h.
4536 (explow.o): Depend on output.h.
4537 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4538 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4539 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4540 (rs6000_use_blocks_for_constant_p): New function.
4542 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4544 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4546 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4549 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4552 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4554 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4558 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4561 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4562 instead of DECL_REGISTER.
4564 2006-02-18 Olivier Hainque <hainque@adacore.com>
4567 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4569 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4572 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4573 * opth-gen.awk: Handle Var and InverseMask together.
4574 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4575 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4576 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4577 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4579 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4580 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4581 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4582 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4583 LINUX_DYNAMIC_LINKER): Define.
4584 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4585 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4587 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4588 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4589 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4591 (TARGET_C99_FUNCTIONS): Don't define.
4592 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4593 GLIBC_DYNAMIC_LINKER.
4594 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4595 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4596 GLIBC_DYNAMIC_LINKER64): Define.
4597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4598 LINUX_DYNAMIC_LINKER64.
4599 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4601 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4603 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4605 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4606 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4607 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4609 and LINUX_DYNAMIC_LINKER32.
4610 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4612 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4614 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4616 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4617 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4618 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4619 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4620 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4621 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4622 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4623 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4624 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4625 LINUX_DYNAMIC_LINKER): Define.
4626 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4627 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4628 GLIBC_DYNAMIC_LINKER64): Define.
4629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4630 LINUX_DYNAMIC_LINKER64.
4631 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4632 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4633 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4634 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4635 LINUX_DYNAMIC_LINKER): Define.
4636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4637 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4638 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4639 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4640 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4641 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4642 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4643 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4644 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4645 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4647 * doc/invoke.texi (-muclibc): Remove caveat about supported
4650 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4652 * doc/cpp.texi (__TIMESTAMP__): Document.
4654 2006-02-17 Roger Sayle <roger@eyesopen.com>
4657 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4658 C is one less than the width of X (and related transformations).
4659 * simplify-rtx.c (simplify_unary_operation_1): Transform
4660 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4661 depending on STORE_FLAG_VALUE, were C is one less then the
4664 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4666 Fix PR tree-optimization/26341
4667 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4668 about NAME_MEMORY_TAG's.
4670 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4673 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4674 with hardware float support, and software float support. Add fcpy
4675 alternative to hardware patterns. Add alternatives to copy between
4676 general and floating-point registers to the 32-bit pattern.
4677 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4678 secondary reload to load a QI or HI mode constant into a floating
4680 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4681 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4683 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4686 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4688 (load_macho_picbase_di): Likewise.
4690 2006-02-16 Jeff Law <law@redhat.com>
4692 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4693 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4694 (ssa_name_nonzero_p): Likewise.
4695 (get_value_range): Return NULL if VRP is not running.
4696 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4697 VRP routines do not discover a range.
4698 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4699 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4700 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4701 (tree_expr_nonnegative_p): Similarly.
4702 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4703 (restore_nonzero_vars_to_original_value): Remove.
4704 (unsafe_associative_fp_binop): Remove.
4705 (tree_ssa_dominator_optimize): Remove initialization and
4706 finalization of nonzero_vars and nonzero_vars_stack.
4707 (dom_opt_initialize_block): No longer push marker on
4709 (dom_opt_finalize_block): No longer call
4710 restore_nonzero_vars_to_original_value.
4711 (record_equivalences_from_phis): No longer look for
4712 nonzero PHI arguments.
4713 (cprop_into_successor_phis): No longer propagate nonzero
4714 property into PHI arguments. Lose unused argument. Caller
4716 (record_equivalences_from_stmt): No longer record nonzero
4717 values for SSA_NAMEs.
4718 (lookup_avail_expr): No longer use nonzero_vars.
4720 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4721 for sizetype when sizetype is unsigned.
4723 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4725 PR rtl-optimization/25603
4726 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4727 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4728 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4729 with new meaning of SETS.
4731 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4736 * config/linux.opt: New file.
4737 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4738 LINUX_DYNAMIC_LINKER): Define.
4739 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4740 * config.gcc (*-*-linux*): Define extra_options.
4741 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4742 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4743 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4744 GLIBC_DYNAMIC_LINKER.
4745 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4746 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4747 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4748 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4749 * doc/invoke.texi (GNU/Linux Options): New section.
4751 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4753 * config/sparc/sparc.md (setjmp): Rewrite.
4754 (setjmp_32): Delete.
4755 (setjmp_64): Likewise.
4757 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4759 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4762 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4764 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4767 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4769 PR rtl-optimization/26296
4770 * Makefile.in (loop-invariant.c): Add except.h dependency.
4771 * loop-invariant.c: Include except.h.
4772 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4774 2005-02-16 Paul Brook <paul@codesourcery.com>
4776 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4779 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4781 PR rtl-optimization/25636
4782 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4783 when deciding whether an insn is an initializing insn.
4785 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4787 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4788 (tree_code_size): Ditto.
4789 * tree.h (struct tree_memory_tag): Remove parent_var.
4790 (struct tree_struct_field_tag): New.
4793 (union tree_node): Add sft member.
4794 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4796 (create_sft): Add size and offset argument, set SFT_OFFSET and
4798 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4799 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4800 * tree-flow-inline.h (get_subvar_at): Update for
4801 SFT_OFFSET/SFT_SIZE.
4802 (var_can_have_subvars): Ditto.
4803 (overlap_subvar): Ditto.
4804 * print-tree.c (print_node): Print out interesting things for
4806 * tree-flow.h (struct subvar): Remove offset and size members.
4807 * tree-ssa-operands.c (get_expr_operands): Update for
4808 get_indirect_ref_operands changes.
4809 (get_indirect_ref_operands): Call add_virtual_operand instead of
4810 add_stmt_operand. Only recurse on base var if requested.
4811 (access_can_touch_variable): New function.
4812 (add_stmt_operand): Split virtual operand handling into ...
4813 (add_virtual_operand): Here. Add offset, size, and for_clobber
4814 arguments. Prune alias sets.
4815 (add_call_clobber_ops): Call add_virtual_operand.
4817 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4820 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4822 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4823 than TREE_CODE as index into omp_clause_num_ops array.
4825 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4827 PR rtl-optimization/26184
4828 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4830 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4831 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4832 must_precede, must_follow and tobe_scheduled.
4835 * opts.c (common_handle_option): Free new_option pointer.
4836 * df-core.c (df_analyze): Free postorder pointer.
4838 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4840 * Makefile.in: Fix the examples about the use of stamps
4842 2006-02-15 Michael Matz <matz@suse.de>
4846 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4847 influenced by maximum_field_alignment or DECL_PACKED.
4848 (update_alignment_for_field): Ditto.
4849 (place_field): Ditto.
4850 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4853 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4855 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4856 (debug_flow_info): Pass it.
4857 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4858 * bb-reorder.c (reorder_basic_blocks): Likewise.
4859 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4860 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4861 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4862 * gcse.c (gcse_main, bypass_jumps): Likewise.
4863 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4864 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4865 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4866 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4867 * rtl.h (dump_flow_info): Adjust prototype.
4868 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4869 * var-tracking.c (variable_tracking_main): Likewise.
4870 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4871 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4874 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4876 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4879 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4881 PR tree-optimization/26209
4882 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4883 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4885 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4887 2006-02-14 Roger Sayle <roger@eyesopen.com>
4890 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4891 (X,Y) and the corresponding symmetry related transformations.
4892 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4893 (X,Y) and its symmetry related transformations.
4895 2006-02-14 Roger Sayle <roger@eyesopen.com>
4897 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4900 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4902 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4904 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4907 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4908 support COMDAT group.
4909 * configure: Regenerate.
4911 2006-02-14 Roger Sayle <roger@eyesopen.com>
4916 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4918 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4920 Fix PR tree-optimization/26260
4922 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4924 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4925 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4926 * tree-ssa-structalias.c (create_variable_info_for): Use
4927 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4929 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4931 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4933 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4934 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4935 of the ending condition.
4936 * tree-ssa-loop-manip.c: Include params.h.
4937 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4938 tree_unroll_loop): New functions.
4939 * tree-pass.h (pass_loop_prefetch): Declare.
4940 * loop.c (rest_of_handle_loop_optimize): Test for
4941 -fprefetch-loop-arrays-rtl.
4942 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4943 * timevar.def (TV_TREE_PREFETCH): New timevar.
4944 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4945 pass_loop_prefetch): New.
4946 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4947 (cleanup_tree_cfg_loop): Call scev_reset.
4948 * common.opt (fprefetch-loop-arrays-rtl): Add.
4949 * tree-ssa-loop-prefetch.c: New file.
4950 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4951 (new_temp_expr_table): Initialize expr_vars.
4952 (free_temp_expr_table): Cleanup expr_vars.
4953 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4954 expressions from being merged into one.
4955 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4956 (struct tree_niter_desc): Add control, bound and cmp fields.
4957 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4959 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4960 (tree-cfgcleanup.o): Add SCEV_H dependency.
4961 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4962 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4964 2006-02-14 Richard Guenther <rguenther@suse.de>
4966 PR tree-optimization/26258
4967 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4968 in PHI argument processing.
4970 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4972 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4973 new expression in the requested machine mode.
4975 2006-02-13 Roger Sayle <roger@eyesopen.com>
4977 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4978 directly, instead let do_compare_rtx_and_jump handle this for us.
4979 * expr.c (expand_expr_real_1): Likewise.
4980 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4981 before do_jump_by_parts_greater.
4982 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4983 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4985 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4987 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4989 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4991 PR rtl-optimization/26235
4992 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4993 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4996 2006-02-13 Jeff Law <law@redhat.com>
4998 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5001 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5004 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5005 twice if decl is a builtin. When trying again, call get_callee_fndecl
5006 first to verify it is still a builtin.
5008 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5010 * dwarf2out.c (base_type_die): Don't add AT_name here.
5011 (subrange_type_die): Don't add AT_name here.
5012 (modified_type_die): Rearrange code flow. Do add AT_name here.
5014 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5016 PR rtl-optimization/26247
5017 PR rtl-optimization/26248
5018 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5020 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5022 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5023 * config/fixtfdi.c: Likewise.
5024 * config/fixunstfdi.c: Likewise.
5025 * config/floatditf.c: Likewise.
5027 2006-02-13 Roger Sayle <roger@eyesopen.com>
5030 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5031 into (X,C2) if C1 is a subset of the bits of C2. Transform
5032 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5034 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5036 2006-02-13 Josh Conner <jconner@apple.com>
5039 * varasm.c (function_section): Check for section name before
5040 calling select_section on targets that define
5041 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5042 unlikely_text_section instead of hot_function_section if
5043 first_function_block_is_cold.
5045 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5048 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5050 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5052 PR rtl-optimization/26222
5053 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5054 after tree->rtl expansion.
5055 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5056 before passing it to emit_move_insn.
5058 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5060 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5062 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5063 Clarify documentation.
5064 * c-common.h (warn_write_strings): Remove.
5065 * c-common.c (warn_write_strings): Likewise.
5066 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5069 2006-02-12 Roger Sayle <roger@eyesopen.com>
5072 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5073 (do_jump_parts_zero_rtx): New function renamed from
5074 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5075 (do_jump_parts_equality_rtx): New function split out from
5076 do_jump_parts_equality. Old implementation renamed as above.
5077 Call do_jump_parts_zero_rtx if either operand is zero.
5078 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5079 do all of the heavy lifting.
5080 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5081 calling either do_jump_by_parts_greater_rtx or
5082 do_jump_by_parts_equality_rtx.
5083 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5084 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5085 moved to do_compare_rtx_and_jump, call it directly.
5086 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5087 mode argument. Call do_compare_rtx_and_jump.
5088 (emit_case_nodes): Update calls to do_jump_if_equal.
5090 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5092 PR rtl-optimization/26225
5093 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5095 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5097 PR rtl-optimization/26232
5098 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5100 2006-02-11 Jason Merrill <jason@redhat.com>
5103 * tree-inline.c (declare_return_variable): Just don't use the
5104 modify target if it's a gimple complex reg and the return slot
5107 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5109 * doc/contrib.texi: Update my entry.
5111 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5113 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5115 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5117 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5120 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5122 * doc/invoke.texi (-floop-optimize2): Removed.
5123 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5124 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5125 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5126 * common.opt (floop-optimize2): Removed.
5127 (fmove-loop-invariants): Enabled by default.
5129 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5131 * tree-if-conv.c (combine_blocks): Free the result of
5132 get_loop_exit_edges.
5134 2006-02-10 Jeff Law <law@redhat.com>
5136 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5138 PR tree-optimization/26213
5139 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5140 loop trying to follow SSA_NAME_VALUE chains.
5142 2006-02-10 Richard Guenther <rguenther@suse.de>
5144 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5145 deal with structures that end in implicitly variable sized arrays.
5147 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5149 PR rtl-optimization/24762
5150 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5153 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5155 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5156 (struct ivopts_data): Add regs_used field.
5157 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5158 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5159 instead of loop_data->regs_used;
5160 (free_loop_data): Do not free aux fields for loops.
5161 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5162 and tree_ssa_iv_optimize_finalize.
5164 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5166 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5168 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5171 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5172 computing the effective result type.
5174 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5177 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5178 (tree_overlaps_hard_reg_set): Declare.
5179 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5180 type and signature to match function type expected by walk_tree.
5181 (tree_overlaps_hard_reg_set): New function.
5182 (decl_conflicts_with_clobbers_p): Rename to:
5183 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5184 Use tree_overlaps_hard_reg_set. Changed caller.
5185 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5186 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5187 * cris.c (cris_md_asm_clobbers): Likewise.
5189 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5191 * reload1.c (emit_input_reload_insns): Delete code that tries to
5192 inherit using find_equiv_reg.
5194 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5196 * c-common.h (flag_const_strings): Don't declare.
5197 * c-common.c (flag_const_strings): Remove.
5198 * c.opt (fconst_strings): Remove.
5199 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5200 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5201 (c_common_init_options): Don't set flag_const_strings.
5202 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5204 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5206 * arm.md (tlobits_cbranch): New pattern.
5207 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5208 testing a single bit.
5210 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5213 * tree-ssa-pre.c (create_component_ref_by_pieces):
5214 Handle RETURN_DECL like VAR_DECL.
5216 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5219 * fold-const.c (fold_indirect_ref_1): Fold
5220 "*(foo *)&complexfoo" to "__real__ complexfoo"
5221 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5223 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5225 * tree-flow-inline.h (var_can_have_subvars):
5226 Volatile variables should not have subvariables.
5228 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5231 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5232 multiplying unsigned values.
5235 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5237 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5239 2006-02-08 Jason Merrill <jason@redhat.com>
5242 * tree.def: Elaborate on difference from MODIFY_EXPR.
5243 * doc/c-tree.texi (INIT_EXPR): Likewise.
5244 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5245 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5246 (gimplify_target_expr): Likewise.
5247 (gimplify_cond_expr): Remove target handling.
5248 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5249 (gimplify_expr): Clobber it here.
5250 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5251 Do return slot optimization if we have an INIT_EXPR.
5254 * tree-inline.c (declare_return_variable): Also clear
5255 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5258 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5261 * gimplify.c (gimplify_one_sizepos): Fix typo.
5263 2006-02-08 Jeff Law <law@redhat.com>
5265 PR tree-optimization/21417
5266 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5267 across a backedge if the control statement at the end of the
5268 block is data dependent on other statements in the same block.
5269 (record_temporary_equivalences_from_stmts): Remove over-conservative
5270 test for threading across backedges.
5272 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5273 control statement, handle all three special cases in the same
5274 manner as they all have the same desired solution. No longer
5275 special case edge flag updating when the post dominator is
5278 2006-02-08 Roger Sayle <roger@eyesopen.com>
5280 * tree.def (CHAR_TYPE): Remove.
5281 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5282 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5283 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5284 (gen_string_type_die): Delete unreachable function.
5286 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5287 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5288 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5289 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5290 * builtins.c (type_to_class): Likewise.
5291 * fold-const.c (fold_convert, build_range_check,
5292 merge_ranges): Likewise.
5293 * expr.c (count_type_elements): Likewise.
5294 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5295 * stor-layout.c (layout_type): Likewise.
5296 * ipa-type-escape.c (type_to_consider): Likewise.
5297 * gimplify.c (omp_firstprivatize_type_sizes,
5298 gimplify_type_sizes): Likewise.
5299 * explow.c (promote_mode): Likewise.
5300 * tree-sra.c (is_sra_scalar_type): Likewise.
5301 * varasm.c (output_constant): Likewise.
5302 * tree-inline.c (remap_type_1): Likewise.
5303 * convert.c (convert_to_pointer, convert_to_real,
5304 convert_to_integer, convert_to_complex): Likewise.
5306 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5308 * df-scan.c (df_def_record_1): A set destination may
5309 be a parallel regardless of mode.
5311 2006-02-08 Roger Sayle <roger@eyesopen.com>
5314 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5315 * config/mips/_tilib.c: Remove.
5316 * config/fixtfdi.c: New libgcc source file.
5317 * config/fixunstfdi.c: New source file.
5318 * config/floatditf.c: New source file.
5319 * config/floatunditf.c: New souce file.
5320 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5321 files above instead of config/mips/_tilib.c.
5322 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5324 2006-02-08 Jeff Law <law@redhat.com>
5326 PR tree-optimization/26169
5327 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5330 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5332 * df.h (DF_REG_SIZE): Return the length of the initialized
5335 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5337 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5338 __muldf3): Return a correctly signed zero.
5340 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5342 * passes.c (register_one_dump_file): Accept the current properties
5343 instead of pass number. Adjust call to dump_register. Remove
5345 (register_dump_files): Now a wrapper around...
5346 (register_dump_files_1): ... this one. Do not modify the pass
5348 (next_pass_1): Cosmetic fix.
5349 (execute_todo): Keep second parameter only. Use curr_properties
5350 instead of fetching it from the pass structure. Check and set
5352 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5353 instead of fetching it from the pass structure. Fix calls to
5354 execute_todo. Update curr_properties and initialize .vcg RTL dump
5355 after running the pass. Reset last_verified.
5356 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5358 (FIRST_AUTO_NUMBERED_DUMP): New.
5359 (dump_register): Remove "num" parameter, assign it within the
5361 (get_dump_file_name): Modify template for dumps.
5362 * tree-dump.h (dump_register): Adjust prototype.
5363 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5364 (PROP_trees): Add PROP_gimple_lomp.
5365 (TODO_set_props): New.
5366 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5367 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5368 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5370 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5372 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5373 (sparc64-*-linux*): Likewise.
5374 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5375 * config/sparc/t-linux: New file.
5376 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5377 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5378 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5379 -m32 -mlong-double-128.
5381 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5382 * config/alpha/t-linux: New file.
5383 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5385 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5386 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5387 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5388 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5389 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5390 (CPP_ARCH32_SPEC): Remove.
5392 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5394 PR tree-optimization/26145
5395 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5398 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5401 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5402 >= 240000 when generating code for SOM runtime.
5403 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5404 to $$dyncall when generating code for SOM runtime..
5406 2006-02-07 Dirk Mueller <dmueller@suse.com>
5409 * doc/invoke.texi (-Wsequence-point): Update documentation
5410 that -Wsequence-point is implemented for C++ as well.
5412 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5414 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5415 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5416 (LIB_SPEC): Likewise.
5417 * doc/invoke.texi (SPARC options): Document -pthread.
5419 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5421 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5424 2006-02-07 Roger Sayle <roger@eyesopen.com>
5426 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5427 Correct comment describing BOOLEAN_TYPE.
5429 2006-02-07 Dirk Mueller <dmueller@suse.com>
5431 * c.opt: C++ frontend supports -Wdiv-by-zero.
5432 * c-opts.c (c_common_handle_option): Remove dead case.
5434 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5436 * configure.ac (TLS assembler check): Do not enable TLS by
5437 default on SPARC/Solaris before version 10.
5438 * configure: Regenerate.
5440 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5442 * doc/invoke.texi (xl-compat): Document conversion and support
5445 2006-02-07 Jeff Law <law@redhat.com>
5447 * tree-vrp.c (find_conditional_asserts): Update comments.
5448 (simplify_stmt_for_jump_threading): New.
5449 (identify_jump_threads, finalize_jump_threads): New.
5450 (vrp_finalize): Call identify_jump_threads.
5451 (execute_vrp): Call finalize_jump_threads.
5452 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5453 (vrp_element, vrp_data, vrp_element_p): Remove.
5454 (vrp_hash_elt, vrp_variables_stack): Remove.
5455 (vrp_hash, vrp_eq, record_range): Remove.
5456 (simplify_cond_and_lookup_avail_expr): Remove.
5457 (extract_range_from_cond): Remove.
5458 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5459 (simplify_stmt_for_jump_threading): New.
5460 (dom_thread_across_edge): New wrapper.
5461 (tree_ssa_dominator_optimize): No longer initialize or
5462 finalize any of the VRP datastructures. Remove iteration
5463 step and simplify as a result of removal of iteration step.
5464 (pass_dominator): Perform a cfg cleanup after DOM.
5465 (dom_opt_finalize_block): Use the new common routines
5466 for threading jumps. Simplify stack management slightly.
5467 No longer need to unwind VRP state.
5468 (record_equivalences_from_incoming_edge): No longer record
5470 (eliminate_redundant_computations): No longer call
5471 simplify_cond_and_lookup_avail_expr.
5472 * tree-flow.h (potentially_threadable_block): Prototype.
5473 (thread_across_edge): Likewise.
5474 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5475 (tree-ssa-threadedge.o): Add dependencies.
5476 * tree-ssa-threadedge.c: New file.
5477 * passes.c (init_optimization_passes): Merge PHIs before
5478 calling VRP. Run VRP again late in the SSA optimization pipeline.
5480 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5482 * df-core.c (df_set_blocks): Do not dereference function pointers.
5483 (df_finish1): Likewise.
5484 (df_hybrid_search_forward): Likewise.
5485 (df_hybrid_search_backward): Likewise.
5486 (df_iterative_dataflow): Likewise.
5487 (df_analyze_problem): Likewise.
5488 (df_compact_blocks): Likewise.
5489 (df_dump): Likewise.
5490 * df-scan.c (df_rescan_blocks): Likewise.
5491 (df_record_entry_block_defs): Likewise.
5493 * genconditions.c (write_conditions): Guard the definition of
5494 'insn_conditions' with the check on GCC version.
5495 (write_writer): Guard the traversal 'insn_conditions' with
5496 the check on GCC version.
5498 2006-02-07 Richard Guenther <rguenther@suse.de>
5502 2006-01-30 Richard Guenther <rguenther@suse.de>
5504 * gimplify.c (gimplify_target_expr): Handle easy cases
5505 without creating a temporary.
5507 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5509 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5510 use of float in probability computations. Use edge probabilities
5511 in place of statically computed probabilities.
5512 (min_spec_prob): New static variable.
5513 (schedule_insns): Initialize it.
5514 (GET_SRC_PROB): Removed.
5515 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5517 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5520 * config/ia64/unwind-ia64.c: Revert last change.
5521 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5522 (INCOMING_FRAME_SP_OFFSET): Define.
5524 2006-02-06 Roger Sayle <roger@eyesopen.com>
5526 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5528 2006-02-07 Ben Elliston <bje@au.ibm.com>
5530 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5531 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5532 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5533 (ix86_return_in_memory): Handle TDmode.
5534 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5535 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5537 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5539 * reorg.c (dbr_schedule): Use dump_file instead of file.
5541 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5544 * config/ia64/predicates.md (extr_len_operand): New predicate.
5545 * config/ia64/ia64.md (extv): Tighten constraints.
5547 (*tbit_and_2): Ditto.
5548 (*tbit_and_3): Ditto.
5549 (*tbit_or_2): Ditto.
5550 (*tbit_or_3): Ditto.
5554 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5557 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5559 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5561 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5562 loop_optimizer_init and loop_optimizer_finalize
5563 * tree-ssa-sink.c (execute_sink_code): Ditto.
5564 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5565 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5566 tree_ssa_loop_done): Ditto.
5567 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5568 * sched-ebb.c: Include output.h.
5569 (schedule_ebbs): Do not use dump argument.
5570 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5571 * loop.c (loop_dump_stream): Removed.
5572 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5574 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5575 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5576 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5577 loop_iterations, strength_reduce, record_biv, record_giv,
5578 final_giv_value, check_final_value, check_ext_dependent_givs,
5579 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5580 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5581 dump_file instead of loop_dump_stream.
5582 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5584 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5586 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5587 * haifa-sched.c: Include output.h
5588 (schedule_insns, sched_init): Do not use dump argument.
5589 * mode-switching.c (optimize_mode_switching): Ditto.
5590 * modulo-sched.c (stats_file): Removed.
5591 (print_node_sched_params): Do not call argument dump_file.
5592 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5593 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5595 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5597 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5598 rtl_loop_init, rtl_loop_done): Ditto.
5599 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5600 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5602 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5603 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5604 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5605 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5606 * emit-rtl.c (renumber_insns): Ditto.
5607 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5608 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5609 * regclass.c (regclass): Ditto.
5610 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5611 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5612 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5613 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5615 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5616 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5618 * gcse.c (gcse_file, debug_stderr): Removed.
5619 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5620 rest_of_handle_gcse): Do not use dump argument.
5621 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5622 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5623 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5624 compute_code_hoist_vbeinout, compute_code_hoist_data,
5625 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5626 compute_store_table, build_store_vectors, insert_insn_start_bb,
5627 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5628 store_motion): Use dump_file instead of gcse_file.
5629 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5630 * profile.c (profile_dump_file): Removed.
5631 (branch_prob): Use dump_file instead of profile_dump_file.
5632 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5634 * tree-ssa-copy.c (dump_copy_of): Ditto.
5635 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5636 dump file to life_analysis.
5637 * bt-load.c (branch_target_load_optimize): Ditto.
5638 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5640 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5641 regclass, dbr_schedule): Declaration changed.
5642 * sched-int.h (sched_init): Declaration changed.
5643 * tree-profile.c (tree_profile_dump_file): Removed.
5644 (tree_profile_hooks): Removed profile_dump_file hook.
5645 * rtl-profile (rtl_profile_dump_file): Removed.
5646 (rtl_profile_hooks): emoved profile_dump_file hook.
5647 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5649 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5650 * tree-cfg.c (build_tree_cfg): Ditto.
5651 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5652 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5653 Declaration changed.
5654 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5655 life_analysis and schedule_insns.
5656 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5658 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5660 * config/mips/mips.c (mips_reorg): Ditto.
5661 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5664 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5666 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5667 (s390_mangle_fundamental_type): New.
5668 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5671 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5672 (alpha_mangle_fundamental_type): New.
5673 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5676 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5678 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5680 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5681 (sparc_mangle_fundamental_type): New.
5683 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5685 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5686 (s390x-*-linux*): Likewise.
5687 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5688 * config/s390/t-linux: New file.
5690 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5692 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5693 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5695 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5697 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5698 (ANTIC_SAFE_LOADS): New macro.
5699 (find_or_generate_expression): Add prototype.
5700 (set_contains_value): Allow null set for sake of not always having
5701 to allocate ANTIC_SAFE_LOADS.
5702 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5703 Allow COMPONENT_REF too.
5704 (valid_in_set): Allow COMPONENT_REF.
5705 Check ANTIC_SAFE_LOADS too.
5706 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5707 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5709 (can_PRE_operation): Add COMPONENT_REF.
5710 (create_component_ref_by_pieces): New function.
5711 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5712 (insert_aux): Move AGGREGATE_TYPE_P check here.
5713 (compute_avail): Set bb local stmt uids.
5714 (pass_pre): Use TODO_update_ssa_only_virtuals.
5716 2006-02-06 Ben Elliston <bje@au.ibm.com>
5718 * configure.ac: Unconditionally disable decimal float by default.
5719 * configure: Regenerate.
5721 2006-02-06 Ben Elliston <bje@au.ibm.com>
5723 * read-rtl.c (read_name): Terminate reading on EOF.
5725 2006-02-06 Ben Elliston <bje@au.ibm.com>
5727 * dfp.c (decimal_real_arithmetic): Change second argument type
5728 from int to enum tree_code. Do not always return true, but now
5729 return result of any call to decimal_do helper functions.
5730 * dfp.h (decimal_real_arithmetic): Update prototype.
5732 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5734 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5736 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5739 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5742 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5744 * tree-vrp.c (cfg_loops): Removed.
5745 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5746 Use current_loops instead of cfg_loops. Pass flags to
5747 loop_optimizer_init.
5748 * cfgloopmanip.c (fix_loop_structure): Update only available
5750 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5751 loop_optimizer_init.
5752 * modulo-sched.c (build_loops_structure): Removed.
5753 (sms_schedule): Use loop_optimizer_init.
5754 * loop-init.c (loop_optimizer_init): Use flags to determine
5755 which properties of loops to prepare.
5756 (rtl_loop_init): Pass flags to loop_optimizer_init.
5757 * tree-ssa-sink.c (execute_sink_code): Ditto.
5758 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5759 * tree-ssa-pre.c (init_pre): Ditto.
5760 * cfgloop.h (LOOPS_NORMAL): New.
5761 (loop_optimizer_init): Declaration changed.
5763 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5765 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5766 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5768 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5770 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5772 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5773 * pa/t-pa64: Delete quadlib.c rule.
5774 * pa/x-ada: Revert last change.
5775 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5777 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5779 PR rtl-optimization/26087
5780 * rtlanal.c (canonicalize_condition): Do not cross basic block
5783 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5786 * config/ia64/ia64.c: Include debug.h.
5787 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5788 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5789 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5790 (process_epilogue, process_set, process_for_unwind_directive):
5791 Output unwind info only if requested. Add CFA info if requested.
5792 Add new arguments as needed. Adjust callers.
5793 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5795 (DWARF2_FRAME_INFO): Define to zero.
5796 * config/ia64/unwind-ia64.c: Remove code that compensated for
5797 the CFA offset error fixed above.
5798 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5799 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5800 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5801 -funwind-tables and -fexceptions to enable frame info.
5802 (dwarf2out_frame_init): Define initial CFA even if
5803 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5804 DWARF2_UNWIND_INFO is nonzero, not just defined.
5805 (dwarf2out_frame_finish): Output non-EH call frame info only
5806 if DWARF2_FRAME_INFO is nonzero.
5807 (convert_cfa_to_loc_list,
5808 compute_frame_pointer_to_cfa_displacement): Define even if
5809 unwind info is not supported.
5810 (gen_subprogram_die): Use the above unconditionally. Remove
5811 legacy alternate code.
5812 * toplev.c (compile_file): Compile in call to
5813 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5814 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5816 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5817 Jakub Jelinek <jakub@redhat.com>
5819 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5820 IBM extended float format long double as "g" on powerpc*-linux.
5822 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5825 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5826 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5828 2006-02-03 Jason Merrill <jason@redhat.com>
5831 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5834 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5835 on the return slot if it's an NRV.
5837 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5839 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5840 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5841 rewrite_use): Do not handle USE_OUTER.
5842 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5843 add_iv_outer_candidates, may_replace_final_value,
5844 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5845 (find_interesting_uses_op): Functionality of
5846 find_interesting_uses_outer_or_nonlin moved here.
5847 (find_interesting_uses_outside): Use find_interesting_uses_op.
5849 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5852 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5854 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5855 Ulrich Weigand <uweigand@de.ibm.com>
5858 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5859 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5860 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5861 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5863 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5864 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5865 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5866 Define secondary reloads for TFmode moves.
5867 (constant_modes): Add TFmode.
5868 (NR_C_MODES): Set to 8.
5869 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5871 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5872 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5873 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5874 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5875 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5876 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5877 (FPR mode macro): Add TFmode.
5878 (DSF mode macro): New.
5879 (<de>, <dee> mode attributes): Removed.
5880 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5881 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5882 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5883 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5884 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5885 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5886 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5887 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5888 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5889 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5890 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5891 "*negabs<mode>2", "sqrt<mode>2"):
5892 Changed <de> to <xde>. R constraint replaced by <Rf>.
5893 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5895 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5896 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5897 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5899 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5900 "extenddftf2", "extendsftf2"): New expanders.
5901 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5902 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5903 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5904 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5906 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5907 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5908 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5909 __floatditf): Add a GCC_4.1.0 symbol version tag.
5910 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5913 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5916 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5917 Use targetm.binds_local_p instead of TREE_PUBLIC.
5919 2006-02-02 Roger Sayle <roger@eyesopen.com>
5921 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5922 on INTEGER_TYPEs to indicate that it denotes a character type.
5923 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5924 signed_char_type_node, unsigned_char_type_node and char_type_node.
5925 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5926 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5927 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5929 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5930 Daniel Berlin <dberlin@dberlin.org>
5932 * tree-tailcall.c (arg_needs_copy_p): New function.
5933 (eliminate_tail_call): Use arg_needs_copy_p.
5934 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5935 (add_virtual_phis): New function.
5937 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5939 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5940 #ignore instead of #scratch for %g7 .register directive.
5942 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5944 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5947 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5949 * flow.c (calculate_global_regs_live): Assert that there aren't any
5952 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5954 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5956 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5957 bsi_after_labels iterator.
5958 * tree-if-conv.c (find_phi_replacement_condition,
5959 replace_phi_with_cond_modify_expr): Likewise.
5960 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5961 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5963 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5965 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5967 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5970 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5971 array after growing it.
5973 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5976 * fold-const.c (fold_checksum_tree): Change type of buf.
5978 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5980 * reload.c (push_secondary_reload): Initialize t_icode.
5982 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5984 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5985 -msoft-float -mlong-double-128 only issue a warning, but don't
5986 swich to DFmode long double.
5988 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5990 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5991 has a constant equivalent, iterate over equivalents for arg0,
5992 calling simplify_relational_operation and if there's a result
5993 cheaper than X, apply fold_rtx and return the result.
5995 2006-02-01 Jan Hubicka <jh@suse.cz>
5997 * opts.c (no_unit_at_a_time_default): New global variable.
5998 (decode_options): Use it.
5999 * opts.h (no_unit_at_a_time_default): Declare.
6001 2006-02-01 Paul Brook <paul@codesourcery.com>
6003 * function.c (assign_parm_setup_reg): Use function argument promotion
6005 * expr.c (expand_expr_real_1): Use function argument promotion rules
6008 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6010 * gcc.c (process_command): Change j to 'unsigned int'.
6012 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6015 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6016 Use the corrected index for the character
6017 out of the string constant.
6019 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6021 * mode-switching.c (optimize_mode_switching): Fix size
6022 allocated for bb_info[n_entities].
6024 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6026 * gcc.c (main): Correct type that is allocated for
6027 explicit_link_files.
6029 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6031 * config/s390/s390.c (init_alignment_context): Set
6032 ALIAS_SET_MEMORY_BARRIER on the MEM.
6033 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6035 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6038 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6040 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6043 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6045 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6046 * regrename.c: Ditto.
6047 * tree-ssa-loop-im.c: Ditto.
6048 * tree-dump.c: Ditto.
6049 * tree-complex.c: Ditto.
6050 * genrecog.c: Ditto.
6051 * tree-ssa-threadupdate.c: Ditto.
6053 * java/class.c: Ditto.
6054 * java/jcf-parse.c: Ditto.
6055 * java/resource.c: Ditto.
6056 * java/except.c: Ditto.
6057 * java/jvspec.c: Ditto.
6058 * java/jcf-write.c: Ditto.
6059 * java/jcf-path.c: Ditto.
6060 * java/gjavah.c: Ditto.
6061 * java/zextract.c: Ditto.
6062 * java/jcf-io.c: Ditto.
6063 * java/jcf.h: Ditto.
6064 * java/buffer.c: Ditto.
6065 * java/lang.c: Ditto.
6066 * java/parse-scan.y: Ditto.
6067 * java/lex.c: Ditto.
6068 * java/lex.h: Ditto.
6069 * cfgloopmanip.c: Ditto.
6070 * postreload-gcse.c: Ditto.
6071 * tree-ssa-loop-manip.c: Ditto.
6072 * postreload.c: Ditto.
6073 * tree-ssa-loop-ch.c: Ditto.
6077 * diagnostic.c: Ditto.
6079 * genoutput.c: Ditto.
6081 * cfghooks.c: Ditto.
6082 * cfgloopanal.c: Ditto.
6083 * objc/objc-act.c: Ditto.
6085 * genextract.c: Ditto.
6086 * genautomata.c: Ditto.
6087 * pretty-print.c: Ditto.
6089 * cgraphunit.c: Ditto.
6092 * haifa-sched.c: Ditto.
6093 * dominance.c: Ditto.
6095 * tree-ssa-loop-ivopts.c: Ditto.
6097 * mode-switching.c: Ditto.
6098 * modulo-sched.c: Ditto.
6100 * ipa-pure-const.c: Ditto.
6102 * fix-header.c: Ditto.
6104 * tree-stdarg.c: Ditto.
6105 * ipa-utils.c: Ditto.
6106 * loop-init.c: Ditto.
6107 * ipa-inline.c: Ditto.
6110 * alloc-pool.c: Ditto.
6111 * dwarf2out.c: Ditto.
6113 * genattrtab.c: Ditto.
6114 * tree-ssa-loop-ivcanon.c: Ditto.
6118 * fortran/gfortranspec.c: Ditto.
6120 * local-alloc.c: Ditto.
6121 * langhooks.c: Ditto.
6122 * function.c: Ditto.
6123 * tree-vectorizer.c: Ditto.
6125 * ipa-type-escape.c: Ditto.
6127 * tree-if-conv.c: Ditto.
6130 * tree-data-ref.c: Ditto.
6131 * loop-unroll.c: Ditto.
6132 * treelang/treetree.c: Ditto.
6135 * ggc-common.c: Ditto.
6137 * coverage.c: Ditto.
6139 * tree-cfgcleanup.c: Ditto.
6140 * tree-ssa-pre.c: Ditto.
6141 * cfgcleanup.c: Ditto.
6142 * loop-invariant.c: Ditto.
6144 * ipa-prop.c: Ditto.
6145 * print-tree.c: Ditto.
6146 * conflict.c: Ditto.
6147 * ggc-page.c: Ditto.
6148 * sched-deps.c: Ditto.
6149 * regclass.c: Ditto.
6150 * tree-object-size.c: Ditto.
6152 * bb-reorder.c: Ditto.
6153 * resource.c: Ditto.
6154 * var-tracking.c: Ditto.
6156 * df-problems.c: Ditto.
6157 * reg-stack.c: Ditto.
6160 * sched-rgn.c: Ditto.
6161 * tree-ssa-structalias.c: Ditto.
6162 * tree-ssa-reassoc.c: Ditto.
6163 * config/darwin-c.c: Ditto.
6164 * config/darwin.c: Ditto.
6165 * config/arm/arm.c: Ditto.
6167 * collect2.c: Ditto.
6170 2006-01-31 Nicolas Pitre <nico@cam.org>
6172 * arm.md (smaxsi3): Make aware of smax_m1.
6175 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6177 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6179 2006-01-31 Richard Guenther <rguenther@suse.de>
6181 * doc/invoke.texi (-msselibm): Document.
6182 * target.h (expand_library_builtin): New target hook.
6183 * builtins.c (expand_builtin): Use expand_library_builtin.
6184 (default_expand_library_builtin): New function.
6185 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6186 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6187 (link_gcc_math_spec): Declare.
6188 (static_specs): Add link_gcc_math_spec.
6189 * expr.h (default_expand_library_builtin): Declare.
6190 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6191 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6192 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6193 * config/i386/i386.opt (msselibm): New target option.
6194 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6195 (ix86_init_sse_abi_builtins): New function.
6196 (ix86_expand_library_builtin): Likewise.
6197 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6198 (override_options): Handle error conditions wrt -msselibm.
6199 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6200 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6201 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6204 2006-01-31 Richard Guenther <rguenther@suse.de>
6205 Paolo Bonzini <bonzini@gnu.org>
6207 * doc/install.texi (--disable-libgcc-math): Document.
6209 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6211 * expr.h (expand_normal): new inline function.
6212 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6214 * dwarf2out.c: use it.
6219 * config/sparc/sparc.c: use it.
6220 * config/i386/i386.c: use it.
6221 * config/rs6000/rs6000.c: use it.
6222 * config/arm/arm.c: use it.
6223 * config/mips/mips.c: use it.
6224 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6226 2006-01-30 Roger Sayle <roger@eyesopen.com>
6228 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6229 argv to the appropriate type.
6231 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6233 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6236 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6239 * config/s390/s390.c (struct machine_function): New flag
6240 decomposed_literal_pool_addresses_ok_p.
6241 (s390_reorg): Set it before final stage of literal pool transforms.
6242 (s390_decompose_address): Only accept displacements of the form
6243 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6245 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6247 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6248 the comparison routine return.
6250 2006-01-30 Michael Matz <matz@suse.de>
6252 * global.c (find_reg): Only evict for global regs.
6253 Take n_refs into account and dump more info.
6255 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6258 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6259 (pragma_trap, pragma_nosave_low_regs): Likewise.
6260 (current_function_anonymous_args): Likewise.
6261 (sh_deferred_function_attributes): New variable.
6262 (sh_deferred_function_attributes_tail): Likewise.
6263 (print_operand): For '@', look up trap_exit attribute.
6264 (calc_live_regs): Look up trapa_handler attribute. For trapa
6265 handlers, save/restore fpscr, but don't do any other
6266 interrupt-specific saves.
6267 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6268 Fix check for partially saved registers to check for SHmedia.
6269 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6270 (sh_output_function_epilogue): Don't clear any of the removed
6272 (sh_insert_attributes): Don't check pragma_interrupt.
6273 Insert deferred attributes. Check that interrupt attribute is
6274 present for other attributes that require its presence.
6275 (sh_attribute_table): Add new attributes trapa_handler and
6277 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6278 Don't check for pragma_interrupt. Don't store argument.
6279 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6280 (sh_deferred_function_attributes): Declare.
6281 (sh_deferred_function_attributes_tail): Likewise.
6282 * sh.md (sp_switch_1): Add operand. Change generator caller.
6283 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6284 (*return_i): Don't use when trap_exit attribute is in effect.
6285 (*return_trapa): New insn pattern.
6287 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6288 setting c_target_objs and cxx_target_objs.
6289 * t-sh: Add rule for sh-c.o.
6291 2006-01-30 Richard Guenther <rguenther@suse.de>
6294 * gimplify.c (gimplify_target_expr): Handle easy cases
6295 without creating a temporary.
6297 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6299 * vec.h (safe_grow): Remove duplicated line.
6301 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6304 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6305 (expand_omp): ... here.
6306 (expand_omp_parallel): Only remove barriers for combined
6307 parallel+workshare constructs.
6309 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6313 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6314 * tree.c (build_qualified_type): Chain the new type to the original
6315 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6316 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6317 (build_pointer_type_for_mode): Only return unqualified types.
6318 (build_reference_type_for_mode): Likewise.
6320 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6322 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6323 * Makefile.in (CXX_COMPAT_WARN): Define.
6324 * configure: Regenerate.
6326 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6329 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6332 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6334 * toplev.c: Fix thinko.
6336 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6337 Marcin Dalecki <martin@dalecki.de>
6339 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6340 (push_srcloc): Use XNEW.
6341 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6343 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6345 * df-core.c (df_set_blocks): Deleted all variable.
6347 2006-01-28 Ian Lance Taylor <ian@airs.com>
6349 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6350 cgraph_output_pending_asms.
6352 2006-01-28 Zack Weinberg <zackw@panix.com>
6354 * c.opt: Add -W(no-)overlength-strings.
6355 * doc/invoke.texi: Document it.
6356 * c-opts.c (c_common_handle_option): -pedantic implies
6357 -Woverlength-strings, if not explicitly disabled already.
6358 (c_common_post_options): -Woverlength-strings defaults to off, and
6359 is always off for C++.
6360 * c-common.c (fix_string_type): Issue warning about strings longer
6361 than is portable only if warn_overlength_strings. Rearrange code
6362 a little for clarity.
6363 * configure.in: Check for -Wno-overlength-strings as well before
6364 enabling -pedantic in stage 1.
6365 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6366 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6368 * genconditions.c (write_header, write_one_condition)
6369 (write_conditions, write_writer): Consolidate very long strings
6370 that were broken up to fit in C89 portable limit. Don't use
6371 printf when fputs will do.
6373 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6375 * combine.c (simplify_comparison <AND>): Check
6376 TRULY_NOOP_TRUNCATION before start using a subreg.
6378 * config/mips/mips.md (*branch_zero<mode>,
6379 *branch_zero<mode>_inverted, *branch_equality<mode>,
6380 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6381 Remove mode check from comparisons.
6383 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6385 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6387 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6389 * expmed.c (const_mult_add_overflow_p): Remove.
6390 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6392 * recog.c (validate_replace_rtx_subexp): Remove.
6393 * recog.h: Remove the prototype for
6394 validate_replace_rtx_subexp.
6396 * integrate.h: Remove the prototype for
6397 copy_decl_for_inlining.
6398 * rtl.h: Remove the prototype for mark_constant_function.
6399 * tree-vectorizer.h: Remove the prototype for
6400 vect_strip_conversion.
6402 * modulo-sched.c (create_partial_schedule,
6403 free_partial_schedule, reset_partial_schedule): Make them
6406 * hooks.c (hook_bool_rtx_int_false): Remove.
6407 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6409 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6411 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6412 and -mlong-double-128 are incompatible.
6413 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6414 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6415 (TARGET_LIBGCC2_CFLAGS): Define.
6416 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6417 (TARGET_LIBGCC2_CFLAGS): Same.
6418 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6420 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6423 * c-typeck.c (build_binary_op): Perform implicit casts of
6424 operands before shortening them.
6426 * cfgloopmanip.c (split_loop_bb): Remove.
6427 * cfgloop.h: Remove the prototype for split_loop_bb.
6429 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6430 * cfgloop.h: Remove the prototype for
6431 flow_loop_outside_edge_p.
6433 * emit-rtl.c (init_virtual_regs): Make it static.
6434 * function.h: Remove the prototype for init_virtual_regs.
6436 * recog.c (peephole2_optimize): Make it static.
6437 * recog.h: Remove the prototype for peephole2_optimize.
6439 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6441 * df-scan.c (df_record_entry_block_defs): Check if
6442 INCOMING_RETURN_ADDR_RTX is defined.
6444 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6445 Kenneth Zadeck <zadeck@naturalbridge.com>
6447 PR rtl-optimization/24762
6448 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6449 * targhooks.c (hook_void_bitmap): New hook prototype.
6450 * targhoohs.h (hook_void_bitmap): Ditto.
6451 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6452 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6453 * target.h (live_on_entry): New function pointer.
6454 * df-scan.c (df_all_hard_regs): Removed.
6455 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6456 (df_scan_free_internal): Added df->entry_block_defs.
6457 (df_scan_alloc): Ditto.
6458 (df_scan_dump): Ditto.
6459 (df_uses_record): Plumbed flag field properly thru calls.
6460 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6461 This part fixes PR24762.
6462 (df_bb_refs_record): Added code to make the frame and arg
6463 pointers live in EH blocks.
6464 (df_refs_record): Added call to df_record_entry_block_defs.
6465 (df_record_entry_block_defs): New function.
6466 * df-core.c: Added comments to describe new artifical defs.
6467 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6468 (entry_block_defs): New field in struct df.
6469 (df_all_hard_regs): Deleted.
6470 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6471 * df-problems.c (df_ru_bb_local_compute_process_def):
6472 Added code to handle artifical defs in the entry to a function.
6473 (df_ru_bb_local_compute): Ditto.
6474 (df_rd_bb_local_compute_process_def): Ditto.
6475 (df_rd_bb_local_compute): Ditto.
6476 (df_lr_bb_local_compute): Ditto.
6477 (df_ur_bb_local_compute): Ditto.
6478 (df_urec_bb_local_compute): Ditto.
6479 (df_chain_create_bb): Ditto.
6480 (df_ur_local_finalize): Removed entry.
6481 (df_urec_init): Ditto.
6482 (df_urec_local_finalize): Ditto.
6483 (df_ri_bb_compute): Added detection of last use of pseudos.
6484 * Makefile.in (df-scan.o): Updated dependencies.
6485 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6486 * config/mips/mips.c (mips_set_live_on_entry): Added.
6487 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6489 * dce.c (marked_insn_p): Added code to handle artifical defs.
6491 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6493 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6495 (_mm_cvtsi128_si64): Likewise.
6496 (_mm_cvtsd_si64): Likewise.
6497 (_mm_cvttsd_si64): Likewise.
6498 (_mm_cvtsi64_sd): Likewise.
6499 (_mm_cvtsi64_si128): Likewise.
6500 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6501 (_mm_cvtsi64_m64): Likewise.
6502 (_m_to_int64): Likewise.
6503 (_mm_cvtm64_si64): Likewise.
6504 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6505 (_mm_cvttss_si64): Likewise.
6506 (_mm_cvtsi64_ss): Likewise.
6507 (_mm_cvtss_f32): Likewise.
6509 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6511 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6512 for pragma redefine_extname.
6514 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6517 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6518 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6519 -mno-minimal-toc to previous content.
6520 (bispecs): Remove goal.
6521 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6522 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6523 compatibility aliases on powerpc-*-*gnu*.
6524 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6525 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6526 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6527 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6528 (ldblspecs): New goal.
6529 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6530 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6532 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6533 L_sf_to_tf or L_df_to_tf is defined.
6535 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6536 Alan Modra <amodra@bigpond.net.au>
6539 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6540 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6541 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6542 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6543 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6544 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6545 (rs6000_override_options): Initialize rs6000_ieeequad.
6546 Initialize TFmode format to ibm_extended_format if not
6548 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6550 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6551 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6552 (function_arg_advance): IBM long double passed in two FPRs, not
6554 (function_arg): IBM long double passed in FPRs.
6555 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6556 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6557 Only multireg GPR aligned.
6558 (rs6000_init_libfuncs): Enable IBM long double functions if not
6560 (rs6000_generate_compare): Use IBM long double compare if not
6562 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6563 (TARGET_IEEEQUAD): Define.
6564 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6565 not TARGET_IEEEQUAD.
6566 * config/rs6000/rs6000.md: Enable TFmode patterns if
6568 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6569 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6570 and -mlong-double-128 are incompatible.
6571 * doc/invoke.texi (-mabi): Collect options together. Add
6572 ibmlongdouble and ieeelongdouble.
6574 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6576 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6578 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6579 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6580 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6581 * rtl.h (rtunion_def): Remove rt_ptr.
6583 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6584 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6585 * config/i386/winnt.c (i386_pe_mark_dllexport)
6586 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6588 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6590 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6592 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6596 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6597 pthread_key_delete. From John David Anglin. gthrw-ify
6598 pthread_getunique_np only if it it's not a macro. Delete
6600 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6601 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6602 __gthread_objc_condition_signal, __gthread_key_delete): Add
6603 "__attribute__ ((__unused__))" to unused arguments.
6604 (__gthread_recursive_mutex_init_function): Add missing return.
6605 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6606 gthr-posix95.h: Use macro-based approach for name redirection
6607 on targets missing weakref.
6609 2006-01-26 Zack Weinberg <zackw@panix.com>
6611 * genconditions.c (write_header): In generated code, #ifdef out
6612 all includes and fake declarations, except includes of bconfig.h
6613 and system.h, unless GCC_VERSION >= 3001. Do not include
6614 gensupport.h in any case.
6615 (write_conditions): Generate a definition of struct c_test. Add
6616 a comment to the generated #endif.
6617 (write_one_condition): Escape backslashes in string too.
6618 (write_writer): Generated code must escape backslashes and quote
6619 marks (but not newlines) in the strings it writes.
6620 * Makefile.in (build/gencondmd.o): Update dependencies.
6622 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6625 * Makefile.in (insn-automata.o): Add header file dependencies.
6626 * genautomata.c: Add includes.
6628 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6631 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6633 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6635 * configure.ac: Expect target tools paths to be passed from the toplevel
6636 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6638 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6640 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6643 * c.opt (Wpointer-sign): Init to -1.
6644 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6645 OPT_pedantic, to 0 otherwise.
6646 * doc/invoke.texi: Update.
6648 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6650 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6651 constants provided by 80387 instructions in the destination mode.
6653 2006-01-26 Richard Guenther <rguenther@suse.de>
6654 Andrew Pinski <pinskia@physics.uc.edu>
6657 partial PR tree-opt/17064
6658 * tree-ssa-structalias.c (intra_create_variable_infos):
6659 Create heap variables for incoming parameters if
6660 flag_argument_noalias > 1.
6661 (find_what_p_points_to): Look through default defs of
6664 2006-01-26 Jeff Law <law@redhat.com>
6667 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6668 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6669 within the VR_RANGE, use the VR_RANGE as the result, not the
6671 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6672 bounds for the type.
6674 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6676 * tree-ssa-alias.c (maybe_create_global_var): Change
6677 subvar walking to an assertion that we don't have subvar'd variables.
6679 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6682 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6683 Use a new variable, inner. PARM_DECLs are always non-weak.
6685 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6687 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6690 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6692 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6694 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6696 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6697 (smax_insn, smin_insn, smax_0, smin_0): New.
6699 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6702 * config/cris/cris.c (cris_order_for_addsi3): New function.
6703 * config/cris/cris-protos.h: Prototype it.
6704 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6705 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6706 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6707 (split for "op.S1 [rx=rx+i],ry (swapped)")
6708 (split for "op(s|u).S1 [rx=rx+i],ry")
6709 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6710 Apply cris_order_for_addsi3 when generating addsi3 insns.
6712 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6714 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6715 (TREE_BLOCK): Add call to EXPR_CHECK.
6717 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6720 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6721 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6722 (dump_omp_clauses): ... here.
6723 (dump_generic_node): Handle OMP_CLAUSE.
6724 * tree.c (omp_clause_num_ops): New.
6725 (omp_clause_code_name): New.
6726 (tree_code_size): Handle OMP_CLAUSE.
6727 (tree_size): Likewise.
6728 (make_node): Document handling of OMP_CLAUSE.
6729 (tree_node_structure): Handle OMP_CLAUSE.
6730 (omp_clause_check_failed): New.
6731 (omp_clause_range_check_failed): New.
6732 (omp_clause_operand_check_failed): New.
6733 (build_omp_clause): New.
6734 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6735 * tree.h (enum omp_clause_code): Declare.
6736 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6737 (OMP_CLAUSE_RANGE_CHECK): Define.
6738 (OMP_CLAUSE_ELT_CHECK): Define.
6739 (omp_clause_check_failed): Declare.
6740 (omp_clause_operand_check_failed): Declare.
6741 (omp_clause_range_check_failed): Declare.
6742 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6743 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6744 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6745 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6746 (OMP_CLAUSE_IF_EXPR): Likewise.
6747 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6748 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6749 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6750 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6751 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6752 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6753 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6754 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6755 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6756 (OMP_CLAUSE_CODE): Define.
6757 (OMP_CLAUSE_SET_CODE): Define.
6758 (OMP_CLAUSE_CODE): Define.
6759 (OMP_CLAUSE_OPERAND): Define.
6760 (struct tree_omp_clause): Declare.
6761 (union tree_node): Add field 'omp_clause'.
6762 * treestruct.def (TS_OMP_CLAUSE): Define.
6763 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6764 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6765 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6766 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6767 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6768 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6769 (OMP_CLAUSE): Define.
6770 * print-tree.c (print_node): Handle OMP_CLAUSE.
6771 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6772 * c-typeck.c: Likewise.
6773 * gimplify.c: Likewise.
6774 * c-omp.c: Likewise.
6775 * tree-nested.c: Likewise.
6776 * tree-inline.c: Likewise.
6777 * c-parser.c: Likewise.
6778 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6781 2006-01-25 Roger Sayle <roger@eyesopen.com>
6783 PR rtl-optimization/25703
6784 * combine.c (try_combine): Handle zero_extract and strict_low_part
6785 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6787 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6789 * global.c: Fix comment typos.
6791 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6794 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6795 Use output_addr_const instead of assemble_name.
6797 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6799 * Makefile.in (sched-vis.o): Update dependencies.
6800 * haifa-sched.c (sched_finish): Clear current_sched_info.
6801 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6802 (dump_flow_info): Call it.
6803 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6805 * basic-block.h (dump_bb_info): Declare.
6806 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6807 option, and apply options only for dump files whose TDF_RTL,
6808 TDF_TREE, or TDF_IPA bits match.
6809 * rtl.h: Declare new functions exported from sched-vis.c.
6810 * sched-vis.c: Enable also if scheduling is not used.
6811 (print_value): Print the mode of registers if not inside scheduling.
6812 (print_insn): Make it work outside the scheduler. Beautify the output
6814 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6816 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6818 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6819 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6820 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6821 depending on the value of CONSTANT_POOL_ADDRESS_P.
6822 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6824 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6825 rather than SYMBOL_REF_DECL.
6826 (rtx_constant_pool): Remove const_rtx_sym_htab.
6827 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6828 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6829 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6830 Remove handling of const_rtx_sym_htab.
6831 (find_pool_constant): Delete.
6832 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6833 rather than find_pool_constant.
6834 (get_pool_constant_for_function): Delete.
6835 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6837 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6838 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6839 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6840 (SYMBOL_REF_CONSTANT): New macro.
6841 (get_pool_constant_for_function): Delete.
6842 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6843 rather than SYMBOL_REF_DECL.
6844 (i386_pe_mark_dllimport): Likewise.
6845 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6846 rather than SYMBOL_REF_DECL.
6847 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6848 (machopic_indirect_call_target): Likewise.
6850 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6852 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6854 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6856 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6858 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6860 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6862 2006-01-24 David Daney <ddaney@avtrex.com>
6865 * configure.ac (enable_tls): New enable option.
6866 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6867 * configure: Regenerate.
6868 * doc/install.texi (--enable-tls): Document new option.
6869 (--disable-tls): Ditto.
6871 2006-01-24 Richard Henderson <rth@redehat.com>
6873 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6874 * alias.c (true_dependence): Respect it.
6875 (canon_true_dependence, write_dependence_p): Likewise.
6876 * builtins.c (get_builtin_sync_mem): Set it.
6878 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6880 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6883 2006-01-24 DJ Delorie <dj@redhat.com>
6885 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6886 for storing constants in single-bit bitfields.
6888 2006-01-25 Ben Elliston <bje@au.ibm.com>
6890 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6892 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6895 * tree-ssa-pre.c (phi_translate): Return NULL
6896 for AGGREGATE_TYPE's.
6898 2006-01-24 Zack Weinberg <zackw@panix.com>
6900 * genautomata.c (process_state_for_insn_equiv_partition):
6901 Use xcalloc for insn_arcs_array.
6902 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6903 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6905 2006-01-24 Richard Henderson <rth@redhat.com>
6907 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6910 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6912 PR rtl-optimization/25890
6913 PR rtl-optimization/25905
6914 * combine.c (expand_compound_operation, expand_field_assignment):
6915 Fail if the bitfield's final position is out of bounds.
6917 2006-01-24 Ian Lance Taylor <ian@airs.com>
6920 * cgraphunit.c (cgraph_output_in_order): Don't clear
6921 cgraph_asm_nodes until after asm strings have been output.
6923 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6925 * fix-header.c (read_scan_file): Add new parameter imultilib when
6926 calling register_include_chains.
6928 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6930 * omp-low.c: Update documentation.
6932 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6933 Daniel Berlin <dberlin@dberlin.org>
6937 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6938 return from the function.
6940 2006-01-22 Zack Weinberg <zackw@panix.com>
6942 * rtl.def (match_code): Add second argument.
6943 * genpreds.c (write_extract_subexp): New function.
6944 (write_match_code): Add path argument. Use write_extract_subexp.
6945 (write_predicate_expr): Pass path to write_match_code.
6946 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6947 not perform a mode test.
6948 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6949 a subexpression does not constrain the top-level code set.
6950 * read-rtl.c (read_rtx_variadic): New function.
6951 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6952 * doc/md.texi: Document new notation.
6953 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6954 (cmpsi_operand): ... here, using new notation.
6956 2006-01-22 Zack Weinberg <zackw@panix.com>
6958 * varray.c: Remove GENERATOR_FILE #ifdefs.
6960 2006-01-22 Zack Weinberg <zackw@panix.com>
6962 * genautomata.c (output_reserved_units_table): Emit nothing if
6963 description->query_units_num is zero. Remove extra blank line.
6964 (output_cpu_unit_reservation_p): Short circuit
6965 if description->query_units_num is zero.
6967 2006-01-22 Zack Weinberg <zackw@panix.com>
6969 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6970 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6971 nor any of the random handful of variables that used to be necessary
6972 when this program was linked with rtlanal.o. Prune set of forward
6973 function declarations.
6974 (struct attr_desc): Remove static_p field.
6975 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6976 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6977 (attr_string): Do not read the character one past the length of
6979 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6980 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6981 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6982 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6983 (make_automaton_attrs): New.
6984 (main): Do not call into genautomata. Call local gen_bypass
6985 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6986 Remove special case for insn_alts.
6987 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6988 varray.h (leftover from previous change). Prune set of forward
6989 function declarations. Remove state_alts fields from all
6990 structures. Remove state_alts_table from struct automaton.
6991 Make everything except main static. Do not maintain num_dfa_decls.
6992 Do not maintain state_alts fields of various structures.
6993 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6994 (add_arc): Remove state_alts argument. All callers updated.
6995 (output_reserved_units_table): Emit #ifdef here...
6996 (output_tables): ...not here. Don't generate state_alts tables.
6997 (expand_automata): Don't generate attributes.
6998 (write_automata): Don't generate state_alts functions.
6999 (main): New function.
7000 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7001 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7002 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7003 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7004 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7005 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7006 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7007 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7009 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7010 * genattrtab.h: Delete file.
7011 * Makefile.in (OBJS-common): Add insn-automata.o.
7012 (insn-automata.o): New rule.
7013 (simple_generated_c): Add insn-automata.c.
7014 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7015 (genprogmd): Add automata.
7016 (build/genattrtab): Needs no extra objects nor libraries.
7017 (build/genautomata): Needs build/vec.o and -lm.
7019 2006-01-22 Zack Weinberg <zackw@panix.com>
7021 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7022 (output_dfa_max_issue_rate, locked_states_num): Delete.
7023 (struct automaton): Add locked_states field.
7024 (output_dead_lock_vect): Save number of locked states in
7025 automaton->locked_states. If it is zero, don't print anything.
7026 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7027 (output_internal_dead_lock_func): Only test the dead_lock_vect
7028 for automata that have locked states.
7029 (output_statistics): Always print the number of locked states for
7030 each automaton. Calculate total number of locked states here.
7031 (write_automata): Don't call output_dfa_max_issue_rate.
7032 * genattrtab.c: Define length_unit_log as a const variable.
7033 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7034 max_insn_queue_index const.
7035 * final.c (length_unit_log): Declare const.
7036 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7038 2006-01-22 Zack Weinberg <zackw@panix.com>
7040 * genautomata.c: Include vec.h, not varray.h.
7041 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7042 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7043 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7044 VEC_* macros operating on appropriately typed vectors, or to
7045 malloced arrays when the size is known in advance. Const-ify
7046 many char* variables and function arguments. No functional changes.
7047 * Makefile.in (build/varray.o): Delete rule.
7048 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7049 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7051 2006-01-22 Zack Weinberg <zackw@panix.com>
7053 * gensupport.c: Define get_insn_name and record_insn_name here.
7054 (read_md_rtx): Call record_insn_name as appropriate.
7055 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7056 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7057 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7059 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7060 (BUILD_VARRAY): Delete.
7061 (genprognormal): Rename genprogmd. Fold in all programs from
7062 genprognoprint; also attrtab.
7063 (build/genattrtab): Just mention genautomata.o and varray.o.
7064 Reorganize a bit, add comments to make the categories clearer.
7066 2006-01-22 Zack Weinberg <zackw@panix.com>
7068 * genconditions.c (condition_table, add_condition): Delete.
7069 (write_conditions): Don't emit n_insn_conditions nor
7070 insn_elision_unavailable. Issue the gcc version #ifdef here,
7071 inside the table, with no #else clause ...
7072 (write_header): ...not here.
7073 (write_writer): New function.
7074 (main): Don't initialize condition_table. Use add_c_test.
7076 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7077 files on the command line.
7078 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7079 Return -1 if there is no entry in the table, don't abort.
7080 (add_c_test, traverse_c_tests): New functions.
7081 * gensupport.h (insn_elision_unavailable, insn_conditions)
7082 (n_insn_conditions): Delete declarations.
7083 (add_c_test, traverse_c_tests): Declare.
7084 * read-rtl.c: Include gensupport.h.
7085 (read_conditions): New function.
7086 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7087 (read_rtx_1): If we get EOF when we were looking for an initial
7088 open paren, return 0. Call read_conditions when appropriate.
7089 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7090 dummy-conditions.o. Eliminate references to insn-conditions.o,
7091 or change them to build/gencondmd.o, as appropriate. Remove
7092 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7093 from $(simple_generated_c). For all files remaining in those
7094 two lists, add insn-conditions.md to the generator command line.
7095 Give insn-constants.h/s-constants their own rules. Add rules
7096 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7097 (build/read-rtl.o): Depend on gensupport.h.
7098 (genprognormal): Include preds.
7099 (genprogearly): Rename genprognoprint; only difference is now that
7100 they don't link with $(BUILD_PRINT).
7101 * dummy-conditions.c: Delete.
7103 2006-01-22 Zack Weinberg <zackw@panix.com>
7105 * genextract.c: Don't include insn-config.h. Do include vec.h.
7106 Declare vectors of int, char, and locstr.
7107 (locstr): New typedef.
7108 (struct extraction): Make all array fields into bare pointers.
7109 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7110 (insn_code_number): Delete.
7111 (accum_extract): New struct.
7112 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7113 (gen_insn): Take insn_code_number as an argument. Use an
7114 accum_extract structure instead of loading data directly into
7115 a struct extraction, and having to know how big it might get.
7116 (walk_rtx): Operate entirely on an accum_extract structure.
7117 (print_path): Avoid unnecessary use of printf.
7118 (print_header): New function, split out of main. Distinguish
7119 more carefully between an unrecognizable insn and an insn that
7120 has the code number of a define_expand.
7121 (main): Pass insn_code_number to gen_insn. Call print_header
7122 only after parsing. Avoid unnecessary use of printf.
7123 * Makefile.in (build/vec.o): New rule.
7124 (build/genextract): Depend on build/vec.o.
7125 (build/genextract.o): Don't depend on insn-config.h.
7127 2006-01-22 Zack Weinberg <zackw@panix.com>
7129 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7130 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7131 practical. Eliminate per-generator-program link rules.
7133 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7136 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7137 with a call expr to ...
7138 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7140 2006-01-23 Richard Guenther <rguenther@suse.de>
7142 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7143 before make_edge with conditional EDGE_TRUE_VALUE.
7145 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7146 Jan Hubicka <jh@suse.cz>
7147 Richard Guenther <rguenther@suse.de>
7149 PR rtl-optimization/25654
7150 * cfgexpand.c (aggregate_contains_union_type): New function.
7151 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7152 for structure variables that contain a union type.
7154 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7156 * gengtype.c (new_structure): Return the structure.
7157 (create_option): Add an extra "next" argument.
7158 (create_field): New function.
7159 (adjust_field_rtx_def): Use create_option and create_field.
7160 Remove a now-unnecessary call to find_structure.
7161 (adjust_field_tree_def): Likewise.
7162 (note_yacc_type): Remove an unnecessary call to find_structure.
7163 * gengtype.h (new_structure): Return the structure.
7164 (create_option): Add an extra argument.
7165 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7166 (option): Adjust calls to create_option.
7168 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7170 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7172 2006-01-22 Paul Brook <paul@codesourcery.com>
7173 Peter Barada <peter@the-baradas.com>
7175 * config/m68k/m68k.md: Add Coldfire FPU support.
7176 Define FP mode macro and associated attributes.
7177 Use it for float mode patterns.
7178 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7179 (LIBCALL_VALUE): Use m68k_libcall_value.
7180 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7181 (m68k_function_value): Ditto.
7182 (emit_move_sequence): Ditto.
7183 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7184 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7185 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7186 (MULTILIB_EXCEPTIONS): Ditto.
7187 * config/m68k/m68k.opt: Add mcfv4e.
7188 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7189 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7190 (m68k_output_function_prologue): Save ColdFire FPU registers.
7191 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7192 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7193 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7194 ColdFire FPU registers.
7195 (m68k_libcall_value, m68k_function_value): New functions.
7196 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7197 (LIBCALL_VALUE): Use m68k_libcall_value.
7198 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7199 (MASK_COLDFIRE): Add MASK_CFV4E.
7200 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7201 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7202 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7203 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7204 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7205 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7206 * doc/invoke.tex: Document -mcfv4e on m68k.
7208 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7210 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7213 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7216 * c-opts.c (c_common_handle_option): Don't include
7217 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7218 * doc/invoke.texi (C++ Dialect Options): Document that
7219 -Wnon-virtual-dtor is no longer included in -Wall.
7221 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7223 * gcov.c (print_version), gcov-dump.c (print_version),
7224 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7227 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7229 * df-scan.c (problem_SCAN): Added NULL reset function.
7230 (df_scan_reset_blocks): Added code to call reset block function
7231 (df_bb_refs_delete) Fixed comment.
7232 (df_insn_refs_delete): Made tolerant of deleting non existent info
7233 for dataflow problems that need to be reset.
7234 * df-core.c (df_set_blocks): Ditto.
7235 * df.h (struct df_problem): Added reset_fun.
7236 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7237 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7238 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7239 functions to clear out all references to def-use or use-def chains.
7241 2006-01-21 Ben Elliston <bje@au.ibm.com>
7243 * varasm.c (assemble_real): Initialise data array.
7245 2006-01-20 Paul Brook <paul@codesourcery.com>
7247 Merge from csl-arm-branch.
7248 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7249 * config/arm/arm.md (movdi): Force operands[1] to a register
7250 if we have a non-register source.
7251 (*arm_movdi, *movdf_soft_insn): Require that one of the
7252 operands be a register.
7253 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7254 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7256 2006-01-20 DJ Delorie <dj@redhat.com>
7258 * varasm.c (initialize_constant_valid_p): Allow pointers
7259 initialized from integer constants of lesser precision.
7260 (output_constant): Allow non-int-sized pointer modes to be
7261 initialized from integer constants.
7263 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7266 * cppdefault.h (struct default_include): Add multilib flag.
7267 * cppdefault.c (cpp_include_defaults): Set it.
7268 * c.opt (-imultilib): New option.
7269 * c-opts.c (imultilib): New.
7270 (c_common_handle_option): Handle -imultilib.
7271 (c_common_post_options): Likewise.
7272 * c-incpath.c (add_standard_paths, register_include_chains):
7274 * c-incpath.h (register_include_chains): Add extra parameter.
7275 * gcc.c (do_spec_1): Generate -imultilib option.
7276 (The Specs Language): Update %I description.
7277 (process_command): Update copyright notice.
7278 * doc/cppopts.texi (-imultilib): Document.
7279 * doc/invoke.texi (-imultilib): Include in option summary.
7280 (%I): Update specs documentation.
7282 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7284 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7286 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7288 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7291 2006-01-20 Richard Guenther <rguenther@suse.de>
7292 Steven Bosscher <stevenb.gcc@gmail.com>
7294 PR rtl-optimization/24626
7295 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7296 EDGE_TRUE_VALUE if in RTL mode.
7299 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7300 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7302 2006-01-20 Dirk Mueller <dmueller@suse.com>
7305 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7306 instead of a special NOP marker.
7307 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7308 NOP marker handling.
7309 * c-common.h (empty_body_warning): Add forward declaration.
7310 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7311 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7313 2006-01-20 Paul Brook <paul@codesourcery.com>
7315 * Makefile.in (lang_checks): Keep going if mkdir fails.
7317 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7319 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7320 be able to clean out basic block when not necessary.
7321 (df_scan_free): Fixed to properly delete information if df is
7322 unused before calling df_finish.
7323 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7324 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7326 (df_bb_refs_delete): New function.
7327 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7328 * df-core.c (df_set_blocks): Added code to properly clean out
7329 unused blocks if they are not part of the blocks to consider.
7330 Added additional null check.
7331 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7332 be able to clean out basic block when not necessary
7333 * df.h (df_free_bb_function): Ditto.
7334 (df_bb_refs_delete): New function.
7335 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7336 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7337 basic block parameter to be able to clean out basic block when not
7339 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7340 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7341 Fixed to properly delete information if df is unused before
7344 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7346 PR rtl-optimization/25799
7347 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7348 Corrected confluence operator to remove bits from op2 before oring
7349 with op1 rather than removing bits from op1.
7350 (df_ru_transfer_function): Corrected test on wrong bitmap which
7351 caused infinite loop. Both of these problems were introduced in
7352 the dataflow rewrite.
7354 2006-01-19 DJ Delorie <dj@redhat.com>
7356 * reload1.c (find_reload_regs): Note the details of reload
7357 failures in the dump file.
7358 (spill_failure): Likewise.
7360 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7362 * loop-iv.c: Include df.h and hashtab.h.
7363 (enum iv_grd_result): New enum.
7364 (DF_REF_IV, DF_REF_IV_SET): New macros.
7365 (struct biv_entry): New.
7366 (df, bivs): New global variables.
7367 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7368 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7370 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7371 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7372 analyzed_for_bivness_p, record_biv): New functions.
7373 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7374 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7375 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7377 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7379 (iv_number_of_iterations): Use new interface to iv analysis.
7380 * loop-unroll.c: Do not include varray.h.
7381 (analyze_iv_to_split_insn): Use new interface to iv
7383 * loop-unswitch.c (may_unswitch_on): Ditto.
7384 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7386 (df_bb_modify): Realloc tables to the new index.
7387 (df_find_use): New function.
7388 * df.h (df_find_use): Declare.
7389 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7391 * cfgloop.h (struct rtx_iv): Remove analysed field.
7392 (iv_get_reaching_def): Removed.
7393 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7394 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7395 (loop-iv.o): Add df.h and hashtab.h dependency.
7396 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7398 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7401 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7403 (__floatundisf, __floatundidf): Likewise.
7404 * libgcc2.h (IS_IBM_EXTENDED): Define.
7406 2006-01-19 DJ Delorie <dj@redhat.com>
7408 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7410 2006-01-19 Paul Brook <paul@codesourcery.com>
7412 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7413 as nothrow when unwinding tables are disabled.
7415 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7418 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7419 of bit-field" when in system header.
7421 2006-01-19 DJ Delorie <dj@redhat.com>
7423 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7424 the 16 bit shift limit of the m16c.
7426 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7429 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7430 * config/i386/i386.c (output_set_got): Output the label if we have one
7431 for the TARGET_DEEP_BRANCH_PREDICTION case.
7433 2006-01-19 Jan Hubicka <jh@suse.cz>
7434 H.J. Lu <hongjiu.lu@intel.com>
7435 Evandro Menezes <evandro.menezes@amd.com>
7437 * invoke.texi (generic): Document
7439 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7440 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7441 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7442 (x86_use_incdec, x86_pad_returns): New variables
7443 (TARGET_CPU_DEFAULT_generic): New constant
7444 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7445 (enum processor_type): Add generic32 and generic64.
7446 * i386.md (cpu attribute): Add generic32/generic64
7447 (movhi splitter): Behave sanely when both partial_reg_dependency and
7448 partial_reg_stall are set.
7449 (K8 splitters): Enable for generic as well.
7450 * predicates.md (incdec_operand): Use TARGET_INCDEC
7451 (aligned_operand): Avoid memory mismatch stalls.
7452 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7453 * ppro.md: Enable for generic32
7454 * i386.c (generic64_cost, generic32_cost): New.
7455 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7456 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7457 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7458 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7459 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7460 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7461 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7462 x86_accumulate_outgoing_args, x86_prologue_using_move,
7463 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7464 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7466 (x86_use_incdec, x86_pad_returns): New.
7467 (override_options): Add generic32 and generic64, translate "generic"
7468 to generic32/generic64 and "i686" to "generic32", refuse
7469 "generic32"/"generic64" as arch target.
7470 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7471 (ix86_reorg): Honor PAD_RETURNS.
7473 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7475 * tree-pretty-print.c (dump_generic_node): Handle
7476 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7477 * cgraph.c (cgraph_expand_queue): Rename from
7478 cgraph_analyze_queue. Update all users.
7479 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7480 cgraph_expand_queue.
7481 (cgraph_expand_all_functions): Likewise.
7482 (cgraph_finalize_pending_functions): Remove. Update callers.
7484 * tree.h (OMP_DIRECTIVE_P): Define.
7485 (OMP_PARALLEL_FN): Define.
7486 (OMP_PARALLEL_DATA_ARG): Define.
7487 (OMP_SECTIONS_SECTIONS): Define.
7488 * tree-pass.h (pass_expand_omp): Declare.
7489 * omp-low.c (struct omp_region): Declare.
7490 (struct omp_context): Remove fields 'parallel_type',
7491 'parallel_start_ix' and 'parallel_start_additional_args'.
7493 (struct omp_for_data): Rename from struct expand_omp_for_data.
7494 (omp_regions): New static variable.
7495 (root_omp_region): New static variable.
7496 (find_omp_clause): Make static.
7497 (is_in_combined_parallel_ctx): Remove.
7498 (is_combined_parallel): New.
7499 (extract_omp_for_data): Move earlier in the file.
7500 (workshare_safe_to_combine_p): New.
7501 (get_ws_args_for): New.
7502 (determine_parallel_type): Move earlier in the file.
7503 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7505 (omp_copy_decl): Likewise.
7506 (create_omp_child_function): Likewise.
7507 (lookup_omp_region): New.
7508 (dump_omp_region): New.
7509 (debug_omp_region): New.
7510 (debug_all_omp_regions): New.
7511 (new_omp_region): New.
7512 (scan_omp_parallel): If parallel_nesting_level > 1, the
7513 directive is nested within another parallel directive.
7514 Set OMP_PARALLEL_FN.
7515 (scan_omp_for): Do not try to handle combined parallel+for
7517 Remove FIXME comment.
7518 (scan_omp_nested): Remove.
7519 (scan_omp_1): Do not call scan_omp_nested when
7520 parallel_nesting_level is > 1.
7521 Do not change the DECL_CONTEXT of local variables found.
7522 (lookup_decl_in_outer_ctx): New.
7523 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7524 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7525 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7526 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7527 If CTX is nested, lookup VAR in the outer context when
7528 building copy assignment.
7529 (lower_send_clauses): Rename from expand_send_clauses.
7530 If CTX is nested, lookup VAR in the outer context when
7531 building copy assignments.
7532 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7533 If CTX is nested, lookup VAR in the outer context when
7534 building copy assignments.
7535 (expand_parallel_call): Rename from build_parallel_call.
7536 Handle combined parallel+workshare cases.
7537 Re-implement to emit code into the CFG.
7539 (expand_omp_parallel): Re-implement to emit code into the CFG.
7540 Call move_sese_region_to_fn to outline the sub-graph
7541 containing the parallel region.
7542 (expand_omp_for_1): Remove.
7543 (expand_omp_for_generic): Re-implement to emit code into the
7545 (expand_omp_for_static_nochunk): Likewise.
7546 (expand_omp_for_static_chunk): Likewise.
7547 (expand_omp_for): Likewise.
7548 (expand_omp_sections): Likewise.
7549 (remove_exit_barriers): New.
7550 (expand_omp_synch): New.
7552 (build_omp_regions_1): New.
7553 (build_omp_regions): New.
7554 (execute_expand_omp): New.
7555 (gate_expand_omp): New.
7556 (pass_expand_omp): Define.
7557 (lower_omp_sections): Rename from expand_omp_sections.
7558 Set OMP_SECTIONS_SECTIONS.
7559 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7560 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7561 (lower_omp_single): Rename from expand_omp_simple.
7562 (lower_omp_master): Rename from expand_omp_master.
7563 (lower_omp_ordered): Rename from expand_omp_ordered.
7564 (lower_omp_critical): Rename from expand_omp_critical.
7565 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7566 (lower_omp_for): Re-implement.
7567 (lower_omp_parallel): Re-implement.
7568 (lower_regimplify): Rename from expand_regimplify.
7569 (lower_omp_1): Rename from expand_omp_1.
7570 If there are syntax errors in the program, replace every
7571 OpenMP directive with NOP.
7572 Call lower_omp_* instead of expand_omp_*.
7573 (lower_omp): Rename from expand_omp.
7575 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7576 * tree-gimple.h (enum omp_parallel_type): Remove.
7577 (gimple_boolify): Declare extern.
7578 (find_omp_clause, determine_parallel_type): Remove.
7580 * gimple-low.c (lower_omp_directive): New.
7581 (lower_stmt): Call it.
7582 (record_vars_into): Move from ...
7583 (record_vars): ... here.
7584 Call record_vars_into with current_function_decl.
7586 * gimplify.c (struct gimplify_ctx): Remove fields
7587 combined_pre_p and combined_ctxp. Update users.
7588 (get_formal_tmp_var): Add documentation.
7589 (gimple_boolify): Make extern.
7590 (gimplify_expr_in_ctx): Remove. Update callers.
7591 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7592 will always be a BIND_EXPR.
7593 (gimplify_expr): Handle OMP_RETURN_EXPR.
7594 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7595 (OMP_PARALLEL): Add 3 operands.
7596 (OMP_SECTIONS): Add 1 operand.
7597 (OMP_RETURN_EXPR): Define.
7599 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7600 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7601 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7602 creating a circular free list.
7603 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7605 * tree-flow.h (move_sese_region_to_fn): Declare.
7606 (record_vars_into): Declare.
7607 * tree-cfg.c (make_omp_sections_edges): New.
7608 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7609 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7610 OMP_SECTIONS and OMP_SECTION.
7611 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7612 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7613 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7614 (gather_blocks_in_sese_region): New.
7615 (struct move_stmt_d): Declare.
7617 (move_block_to_fn): New.
7618 (move_sese_region_to_fn): New.
7620 * passes.c (init_optimization_passes): Schedule
7621 pass_expand_omp after pass_init_datastructures.
7623 * tree-ssa-operands.c (get_expr_operands): Handle
7624 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7625 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7627 2006-01-19 Jeff Law <law@redhat.com>
7629 * tree-vrp.c (extract_range_from_assert): Refine the result range
7630 if the variable referenced by the ASSERT_EXPR has a range and
7631 either the tentative result range or the previous range is a
7634 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7636 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7638 2006-01-19 Jan Hubicka <jh@suse.cz>
7640 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7642 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7644 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7645 (expand_compound_operation, expand_field_assignment): Fail if the
7646 bit lengths of an extract operation are out of range.
7647 (make_extraction): Compute wanted_inner_mode based on the position
7648 and length of the extraction. Make it extraction_mode for non-constant
7649 positions, and do not modify offset in that case. When generating a
7650 new MEM, use a mode that can hold the extraction while keeping correct
7651 alignment. Remove code that supported MEMs wrapped by USEs.
7652 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7654 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7656 * config/s390/s390.md ("Y", "y"): New mode attribute.
7657 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7658 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7659 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7660 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7661 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7662 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7663 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7664 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7665 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7666 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7667 "addsi3", "subsi3"): Insn patterns removed.
7668 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7669 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7670 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7671 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7672 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7673 "*sub<mode>3_cconly2"): New insn patterns.
7674 ("addsi3", "subsi3"): New expanders.
7676 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7678 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7679 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7680 existing STMT_VINFO_VECTYPE if available.
7681 (vect_mark_relevant): Add special handling for stmts that are
7682 marked as STMT_VINFO_IN_PATTERN_P.
7683 (vect_analyze_loop): Call vect_pattern_recog.
7684 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7685 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7687 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7688 (vect_recog_func_ptr): New function-pointer type.
7689 * tree-vect-patterns.c: New file.
7690 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7691 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7692 (vect_pattern_recog_1): New functions.
7693 (vect_pattern_recog_funcs): New array of function pointers.
7695 * tree-vectorizer.h (ternary_op): New enum value.
7696 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7697 declaration. Revised documentation. Removed redundant dump prints.
7698 Removed redundant argument. Added support for reduction patterns.
7699 (vectorizable_reduction): Added support for reduction patterns.
7700 (vect_transform_stmt): Added support for patterns.
7702 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7703 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7704 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7705 (expand_widen_pattern_expr): New function.
7706 (init_optabs): Initialize new optabs udot_prod_optab,
7708 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7709 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7710 (expand_widen_pattern_expr): New function declaration.
7711 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7713 * tree-inline.c (estimate_num_insns_1): Added cases for new
7714 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7715 * tree-pretty-print.c (dump_generic_node): Likewise.
7716 (op_prio): Likewise.
7717 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7718 * tree-ssa-operands.c (get_expr_operands): Added case for
7720 * tree-vect-patterns.c (widened_name_p): New function.
7721 (vect_recog_dot_prod_pattern): Added function implementation.
7722 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7723 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7724 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7725 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7727 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7728 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7729 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7730 (init_optabs): Initialize new optabs widen_ssum_optab,
7732 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7733 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7734 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7735 use instead of type of def.
7736 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7737 function implementation.
7738 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7739 widen_ssumv8hi): New.
7741 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7744 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7747 * c-decl.c (add_flexible_array_elts_to_size): New function.
7748 (finish_decl): Use it.
7750 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7752 * diagnostic.h: Include options.h.
7753 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7754 dependancies for diagnostic.h.
7755 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7757 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7759 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7760 (ssa_ro_call_cache_valid): Ditto.
7761 * tree-ssa-alias.c (sort_tags_by_id): New function.
7762 (init_transitive_clobber_worklist): Ditto.
7763 (add_to_worklist): Ditto.
7764 (mark_aliases_call_clobbered): Ditto.
7765 (compute_tag_properties): Ditto.
7766 (set_initial_properties): Ditto.
7767 (compute_call_clobbered): Ditto.
7768 (compute_may_aliases): Call compute_call_clobbered and grouping.
7769 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7770 (compute_flow_insensitive_aliasing): Grouping now happens in our
7772 (setup_pointers_and_addressables): Remove clobbering related code.
7773 (add_may_alias): Ditto.
7774 (replace_may_alias): Ditto.
7775 (get_nmt_for): Ditto.
7776 (create_global_var):
7777 (is_escape_site): Return an escape_type enumeration.
7778 * tree-flow-inline.h (is_call_clobbered): Global var does not
7779 imply call clobbered.
7780 (mark_call_clobbered): Take a reason for marking this. Remove
7781 marking of globalness, and cache invalidation.
7782 (clear_call_clobbered): Remove cache invalidation code.
7783 * tree-dfa.c (dump_variable): If details is on, dump the reason
7785 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7787 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7788 (struct var_ann_d): Ditto.
7789 (enum escape_type): New.
7790 (mark_call_clobbered): Adjust prototype.
7791 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7792 are never call clobbered.
7793 Record reasons for escaping.
7794 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7795 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7796 (ssa_ro_call_cache_valid): Ditto.
7797 (clobbered_v_may_defs): Ditto.
7798 (clobbered_vuses): Ditto.
7799 (ro_call_vuses): Ditto.
7800 (clobber_stats): New.
7801 (init_ssa_operands): Zero out clobber stats.
7802 (fini_ssa_operands): Print out clobber stats.
7803 (get_call_expr_operands): Pass callee fndecl to
7805 (add_call_clobber_ops): Remove use of cache.
7806 Add use of PURE_CONST information.
7807 (add_call_read_ops): Remove use of cache.
7808 Add use of static not_read information.
7810 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7812 Introduce TLS descriptors for i386 and x86_64.
7813 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7814 (TARGET_ANY_GNU_TLS): New macro.
7815 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7816 (struct machine_function): Add tls_descriptor_call_expanded_p.
7817 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7818 (ix86_current_function_calls_tls_descriptor): Likewise.
7819 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7820 (override_options): Introduce gnu2 tls dialect.
7821 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7823 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7825 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7826 (ix86_init_machine_status): Initialize new field.
7827 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7828 (ix86_tls_module_base): New.
7829 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7830 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7831 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7832 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7833 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7834 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7835 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7836 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7837 * config/i386/predicates.md (tls_modbase_operand): New.
7838 (tp_or_register_operand): New.
7840 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7842 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7843 (look_for_address_of): Ditto.
7844 (ipa_init): Walk the function decls.
7845 (static_execute): Don't set readonly on FUNCTION_DECL's.
7847 2006-01-18 Roger Sayle <roger@eyesopen.com>
7849 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7850 for shifts where the source and destination registers are different.
7852 2006-01-18 Paul Brook <paul@codesourcery.com>
7854 Merge from csl-arm-branch.
7855 2005-03-14 Julian Brown <julian@codesourcery.com>
7856 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7857 (aeabi_llsl): Likewise.
7858 (ashrdi3): Likewise.
7859 (aeabi_lasr): Likewise.
7860 (lshrdi3): Likewise.
7861 (aeabi_llsr): Likewise.
7862 2005-03-10 Julian Brown <julian@codesourcery.com>
7863 * config.gcc: Disable shared libgcc for SymbianOS.
7864 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7866 2006-01-18 DJ Delorie <dj@redhat.com>
7868 * c-pragma.c (handle_pragma_diagnostic): New.
7869 (init_pragma): Register it.
7870 * doc/extend.texi: Document it.
7872 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7873 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7874 (diagnostic_context): Add classify_diagnostic[].
7875 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7876 as errors if they're overridden to DK_WARNING.
7877 (diagnostic_initialize): Initialize classify_diagnostic[].
7878 (diagnostic_set_kind_override): New.
7879 (diagnostic_report_diagnostic): Check for kind changes.
7880 * opts.c (common_handle_option): Take lang_mask. Update callers.
7882 * common.opt (Werror=): New.
7883 * doc/invoke.texi: Document -Werror=*
7885 2006-01-18 Jeff Law <law@redhat.com>
7887 * tree-vrp.c (test_for_singularity): Correct test for new
7888 min limit. Use operand_equal_p rather than pointer equality
7889 for testing if new min/max values are equal.
7891 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7892 using range information until after propagation and folding.
7894 2006-01-18 Richard Henderson <rth@redhat.com>
7895 Aldy Hernandez <aldyh@redhat.com>
7896 Jakub Jelinek <jakub@redhat.com>
7897 Diego Novillo <dnovillo@redhat.com>
7899 * omp-low.c: New file.
7900 * c-omp.c: New file.
7902 2006-01-18 Richard Henderson <rth@redhat.com>
7903 Jakub Jelinek <jakub@redhat.com>
7904 Diego Novillo <dnovillo@redhat.com>
7906 * doc/invoke.texi: Document -fopenmp.
7907 * tree-dump.h (debug_function): Declare.
7908 * hooks.c (hook_bool_tree_bool_false): New function.
7909 (hook_tree_tree_null): Remove.
7910 (hook_tree_tree_tree_null): New.
7911 * hooks.h: Update to match.
7912 * tree-pretty-print.c (debug_tree_chain): New.
7913 (print_generic_expr): Handle TDF_CHAIN.
7914 (dump_generic_node): Handle BLOCK.
7915 Do not abort with incomplete SWITCH_EXPRs.
7916 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7917 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7918 print space after directive name.
7919 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7920 Handle OMP_MASTER and OMP_ORDERED.
7921 Handle printing of OMP_BODY just in one place, goto
7922 dump_omp_body in the rest of OMP_* nodes that have
7924 Don't handle clause nodes here. Update omp statements to
7925 use dump_omp_clauses.
7926 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7927 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7928 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7929 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7930 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7931 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7932 Adjust output for GOMP_PARALLEL.
7933 (dump_omp_clauses): New.
7934 (print_declaration): Dump DECL_VALUE_EXPR.
7935 (op_symbol_1): Split out of op_symbol.
7936 (dumping_stmts): Remove. Update all users.
7937 * cgraph.c (cgraph_analyze_queue): New.
7938 (cgraph_add_new_function): New.
7939 * cgraph.h (cgraph_analyze_queue): Declare.
7940 (cgraph_add_new_function): Declare.
7941 (cgraph_lower_function): Remove.
7942 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7943 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7944 and TYPE_P nodes in its default clause.
7945 (empty_body_p): New.
7946 (tree_range_check_failed): New.
7948 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7949 OMP_CLAUSE_REDUCTION_MERGE,
7950 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7951 OMP_CLAUSE_PRIVATE_DEBUG,
7952 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7953 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7954 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7955 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7956 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7957 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7958 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7959 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7960 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7961 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7962 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7963 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7964 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7965 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7966 (TREE_RANGE_CHECK): New.
7967 (empty_body_p): Declare.
7968 (enum omp_clause_default_kind): New.
7969 (build_string_literal): Declare.
7970 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7971 (build5_stat, build5): Declare.
7972 * tree-pass.h (TDF_CHAIN): Define.
7973 * tree-pass.h (PROP_gimple_lomp): Define.
7974 (pass_lower_omp): Declare.
7975 * diagnostic.h (debug_tree_chain): Declare.
7976 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7978 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7979 * builtins.c (build_string_literal): Make extern.
7980 * gcc.c (include_spec_function): New.
7981 (static_spec_functions): Add it.
7982 (main): Move load of libgomp.spec ...
7983 (LINK_COMMAND_SPEC): ... here.
7984 (link_gomp_spec): New.
7985 (static_specs): Include it.
7986 (LINK_COMMAND_SPEC): Add link_gomp.
7987 (GOMP_SELF_SPECS): New.
7988 (driver_self_specs): Include it.
7989 (switch_matches): Don't mark inline.
7990 (main): Load libgomp.spec.
7991 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7992 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7993 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7994 * tree-gimple.h (enum omp_parallel): Declare.
7995 (determine_parallel_type): Declare.
7996 (omp_firstprivatize_variable): Declare.
7997 (omp_reduction_init): Declare.
7998 (diagnose_omp_structured_block_errors): Declare.
7999 (struct walk_stmt_info): Add want_return_expr.
8000 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8001 (find_omp_clause): Declare.
8002 (insert_field_into_struct): Declare.
8003 (struct walk_stmt_info): Move from tree-nested.c
8004 (walk_stmts): Declare.
8005 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8007 * cgraphunit.c (cgraph_lower_function): Make static.
8008 (cgraph_finalize_pending_functions): New.
8009 (cgraph_finalize_function): Call it.
8010 (cgraph_finalize_compilation_unit): Likewise.
8011 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8012 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8013 (BT_FN_UINT_UINT): New.
8014 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8015 DEF_FUNCTION_TYPE_VAR_4): Document.
8016 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8017 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8018 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8019 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8020 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8021 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8022 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8023 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8024 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8025 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8026 into separate files.
8027 (DEF_GOMP_BUILTIN): New.
8028 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8029 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8030 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8031 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8032 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8033 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8034 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8035 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8036 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8037 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8038 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8039 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8040 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8041 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8042 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8043 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8044 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8045 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8046 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8047 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8048 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8049 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8050 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8051 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8052 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8053 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8054 * sync-builtins.def: New file, moved from builtins.def.
8055 * omp-builtins.def: New file, moved from builtins.def.
8056 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8057 * gimple-low.c (lower_function_body): Clear data.
8058 (lower_stmt): Do not handle COMPOUND_EXPR.
8059 Remove call to print_node_brief.
8060 * c-tree.h (c_finish_omp_clauses): New prototype.
8061 (C_DECL_THREADPRIVATE_P): Define.
8062 (lookup_name_no_remap, c_omp_remap_private): Remove
8063 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8064 (check_for_loop_decls): Update decl.
8065 (lookup_name_no_remap, c_omp_remap_private): Declare.
8066 (build_indirect_ref, build_modify_expr, pushdecl,
8067 pushdecl_top_level): Move to c-common.h.
8068 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8069 before the switch, but just in the 2 places that need it.
8070 * c-decl.c (diagnose_mismatched_decls): Do not check for
8071 mismatched thread-local attributes when OLDDECL is marked
8072 threadprivate and NEWDECL has no thread-local attributes.
8073 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8074 (c_gimple_diagnostics_recursively): Rename from
8075 c_warn_unused_result_recursively. Invoke
8076 diagnose_omp_structured_block_errors.
8077 (check_for_loop_decls): Return a singular decl found.
8078 * langhooks.c (lhd_omp_predetermined_sharing): Return
8079 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8080 (lhd_omp_firstprivatize_type_sizes): New.
8081 (lhd_omp_assignment): New.
8082 (lhd_omp_predetermined_sharing): New.
8083 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8084 (struct lang_hooks_for_types): Add
8085 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8086 omp_predetermined_sharing, omp_disregard_value_expr,
8087 omp_private_debug_clause, omp_clause_default_ctor,
8088 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8089 (c_finish_omp_clauses): New.
8090 (c_finish_bc_stmt): Diagnose break within omp for.
8091 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8092 (build_unary_op): Return error_mark after reporting
8094 (build_modify_expr): Likewise.
8095 * gimplify.c: Include optabs.h and pointer-set.h.
8096 (enum gimplify_omp_var_data): Declare.
8097 (struct gimplify_omp_ctx): Declare.
8098 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8100 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8101 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8102 (splay_tree_compare_decl_uid): New.
8103 (new_omp_context): New.
8104 (delete_omp_context): New.
8105 (gimple_add_tmp_var): Call omp_add_variable.
8106 (gimplify_bind_expr): Likewise.
8107 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8108 true, disregard DECL_VALUE_EXPR on the decl if any.
8109 (gimplify_expr_in_ctx): New.
8110 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8111 omp_add_variable, omp_notice_variable, omp_is_private
8112 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8113 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8114 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8115 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8116 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8117 gimplify_omp_atomic): New.
8118 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8119 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8120 OMP_CRITICAL and OMP_ATOMIC.
8121 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8122 * c-pragma.h (enum pragma_kind): Add
8123 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8124 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8125 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8126 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8127 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8128 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8129 PRAGMA_OMP_THREADPRIVATE.
8130 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8131 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8132 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8133 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8134 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8135 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8136 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8137 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8138 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8139 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8140 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8141 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8142 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8144 (struct nesting_info): Add field_map,
8145 suppress_expansion, debug_var_chain.
8146 (create_nesting_tree): Initialize them.
8147 (lookup_field_for_decl): Use field_map.
8148 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8149 (convert_local_omp_clauses): New.
8150 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8151 (walk_body): Split out of walk_function.
8152 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8153 (convert_nonlocal_reference): Handle omp statements.
8154 (convert_local_reference): Likewise.
8155 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8156 (unnest_nesting_tree): New.
8157 (lower_nested_functions): Call it.
8158 (insert_field_into_struct): Make extern.
8159 (struct walk_stmt_info): Move to tree-gimple.h.
8160 (walk_stmts): Make extern.
8161 * omp-builtins.def: New file.
8162 * tree-iterator.c (expr_only): Clarify comment.
8163 * c-common.h (pushdecl_top_level, pushdecl,
8164 build_modify_expr, build_indirect_ref,
8165 c_finish_omp_master, c_finish_omp_critical,
8166 c_finish_omp_ordered, c_finish_omp_barrier,
8167 c_finish_omp_atomic, c_finish_omp_flush,
8168 c_finish_omp_for, c_split_parallel_clauses,
8169 omp_clause_default_kind, c_omp_sharing_predetermined,
8170 c_omp_remap_decl): Declare.
8171 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8172 (OBJS-common): Add omp-low.o.
8173 (c-omp.o, omp-low.o): Add.
8174 (gimplify.o): Add dependency on $(OPTABS_H).
8175 (GTFILES): Add omp-low.c.
8176 (gt-stringpool.h): Add.
8177 * tree-cfg.c (set_bb_for_stmt): Do not update the
8178 block-to-labels map if we are currently expanding to RTL.
8179 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8181 Handle IDENTIFIER_NODE.
8182 (tree_verify_flow_info): Do not ICE when emitting error
8183 messages about invalid labels.
8184 (dump_function_to_file): Reset CFUN before emitting the body
8186 (debug_function): New.
8187 * passes.c (init_optimization_passes): Schedule
8189 * langhooks-def.h (lhd_omp_predetermined_sharing,
8190 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8192 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8193 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8194 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8195 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8196 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8197 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8198 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8199 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8200 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8201 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8202 (LANG_HOOK_DECLS): Use them.
8204 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8205 Richard Henderson <rth@redhat.com>
8206 Jakub Jelinek <jakub@redhat.com>
8207 Diego Novillo <dnovillo@redhat.com>
8209 * c-parser.c (pragma_omp_clause): Define.
8210 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8211 (c_parser_compound_statement): Likewise.
8212 (c_parser_statement): Likewise.
8213 (c_parser_pragma): Handle omp pragmas.
8214 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8215 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8216 (c_parser_omp_clause_name, check_no_duplicate_clause,
8217 c_parser_omp_variable_list,
8218 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8219 c_parser_omp_clause_copyprivate,
8220 c_parser_omp_clause_default,
8221 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8222 c_parser_omp_clause_lastprivate,
8223 c_parser_omp_clause_nowait,
8224 c_parser_omp_clause_num_threads,
8225 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8226 c_parser_omp_clause_reduction,
8227 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8228 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8229 c_parser_omp_atomic, c_parser_omp_barrier,
8230 c_parser_omp_critical, c_parser_omp_flush,
8231 c_parser_omp_for_loop, c_parser_omp_for,
8232 c_parser_omp_master, c_parser_omp_ordered,
8233 c_parser_omp_sections_scope, c_parser_omp_sections,
8234 c_parser_omp_parallel, c_parser_omp_single,
8235 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8236 * c-pragma.c (init_pragma): Do omp pragma registration here.
8237 * c.opt (fopenmp): New flag.
8239 2006-01-18 Eric Christopher <echristo@apple.com>
8241 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8242 * config/darwin.h (GOMP_SELF_SPECS): Define.
8244 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8246 * rtl.h: Remove the prototype for reg_alloc.
8248 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8251 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8252 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8253 sjlj and dwarf2 exception handling.
8254 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8255 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8256 * pa/pa.c (function_value): Treat complex and vector types as
8258 (function_arg): Likewise. Only pass scalar floats in the floating
8259 point argument registers.
8260 * pa/t-slibgcc-dwarf-ver: New file.
8261 * pa/t-slibgcc-sjlj-ver: New file.
8262 * pa/t-slibgcc-elf-ver: Delete file.
8264 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8266 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8267 unlikely_test_section_p test.
8269 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8271 * mode-switching.c (optimize_mode_switching): Make it static.
8272 * basic-block.h: Remove the prototype for
8273 optimize_mode_switching.
8275 * modulo-sched.c (sms_schedule): Make it static.
8276 * rtl.h: Remove the prototype for sms_schedule.
8278 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8279 * rtl.h: Remove the prototype for gcse_after_reload_main.
8281 * reg-stack.c (reg_to_stack): Make it static.
8282 * rtl.h: Remove the prototype for reg_to_stack.
8284 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8286 * rtl.h: Remove the prototypes for regrename_optimize and
8287 copyprop_hardreg_forward.
8289 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8291 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8292 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8293 Test against the appropriate null constant for the mode.
8294 If 'fixup_overlap' is true, swap the operands if they overlap.
8295 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8296 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8297 alpha_split_tmode_pair and adjust for above change.
8298 * config/alpha/alpha.md (movtf_internal): Adjust call to
8299 alpha_split_tfmode_pair and rely on it to swap the operands.
8300 (movti_internal): New insn and post-reload splitter.
8301 (movti): New expander.
8303 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8305 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8308 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8310 * rtlanal.c (global_reg_mentioned_p_1,
8311 global_reg_mentioned_p): Remove.
8312 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8314 * flow.c (initialize_uninitialized_subregs): Make it static.
8315 * rtl.h: Remove the prototype for
8316 initialize_uninitialized_subregs.
8318 * function.c (instantiate_virtual_regs): Make it static.
8319 * function.h: Remove the prototype for
8320 instantiate_virtual_regs.
8322 * regmove.c (regmove_optimize, combine_stack_adjustments):
8324 * rtl.h: Remove the prototypes for regmove_optimize and
8325 combine_stack_adjustments.
8327 2006-01-17 Roger Sayle <roger@eyesopen.com>
8329 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8330 (size_cost): Encode costs in bytes so that a reg-reg addition is
8331 equivalent to COSTS_N_INSNS(1).
8332 (override_options): Use the size_cost.branch_cost as the default
8333 ix86_branch_cost when optimizing for size.
8335 2006-01-18 Ben Elliston <bje@au.ibm.com>
8337 * Makefile.in (D32PBIT_FUNCS): New.
8338 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8339 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8340 D64PBIT_FUNCS and D128PBIT_FUNCS.
8341 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8342 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8344 (decnumber_dep): Define.
8345 * doc/libgcc.texi (Decimal float library routines): New node.
8346 * config/dfp-bit.h, config/dfp-bit.c: New files.
8348 2006-01-18 Ben Elliston <bje@au.ibm.com>
8350 * expr.c (emit_move_change_mode): Always adjust addresses, not
8351 just during reload. Copy replacements only during reload.
8352 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8353 emit_move_via_integer.
8355 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8357 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8358 instead of $(srcdir) and ${srcdir}.
8360 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8364 * arm.h (struct machine_function): Add pic_reg.
8365 * arm.c (arm_pic_register): Make unsigned.
8366 (arm_override_options): Only set arm_pic_register if
8367 TARGET_SINGLE_PIC_BASE.
8368 (use_return_insn): Only test for a pic register if it is fixed.
8369 (arm_compute_save_reg0_reg12_mask): Likewise.
8370 (thumb_compute_save_reg_mask): Likewise.
8371 (legitimate_pic_operand): Factor out some known invariants.
8372 (legitimize_pic_address): If we don't have a fixed pic register,
8373 then set up a pseudo in the function entry sequence. Handle the
8374 pic base being in a pseudo.
8375 (arm_load_pic_register): Handle the pic register being in a pseudo.
8376 (arm_expand_prologue): Only set up the pic register if it is fixed.
8377 (thumb_expand_prologue): Likewise.
8378 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8379 (pic_load_addr_based_insn): Likewise.
8380 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8383 2006-01-18 Ben Elliston <bje@au.ibm.com>
8385 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8386 decimal float modes for all floating point registers.
8388 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8389 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8391 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8394 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8395 even when the pointer is not NULL.
8397 2006-01-16 Ian Lance Taylor <ian@airs.com>
8399 * common.opt (ftoplevel-reorder): New option.
8400 * cgraph.c (cgraph_asm_nodes): New global variable.
8401 (cgraph_asm_last_node): New static variable.
8402 (cgraph_order): New global variable.
8403 (cgraph_create_node): Set new order field.
8404 (cgraph_varpool_node): Likewise.
8405 (decide_is_variable_needed): Return true if not
8406 flag_toplevel_reorder.
8407 (cgraph_add_asm_node): New function.
8408 * cgraph.h (struct cgraph_node): Add order field.
8409 (struct cgraph_varpool_node): Add order field.
8410 (struct cgraph_asm_node): Define.
8411 (cgraph_asm_nodes, cgraph_order): Declare.
8412 (cgraph_add_asm_node): Declare.
8413 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8415 (cgraph_varpool_assemble_pending_decls): Call it.
8416 (cgraph_output_pending_asms): New static function.
8417 (cgraph_finalize_compilation_unit): Call it.
8418 (struct cgraph_order_sort): Define.
8419 (cgraph_output_in_order): New static function.
8420 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8421 !flag_toplevel_reorder case.
8422 * c-parser.c: Include "cgraph.h".
8423 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8425 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8426 than -fno-unit-at-a-time.
8427 * doc/invoke.texi (Option Summary): Mention
8428 -fno-toplevel-reorder.
8429 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8430 -funit-at-a-time documentation.
8432 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8433 Kazu Hirata <kazu@codesourcery.com>
8435 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8437 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8439 * Makefile.in (FUNCTION_H): New. Use it instead of
8440 function.h throughout the file.
8441 * function.h: Include tree.h.
8443 2006-01-17 Ben Elliston <bje@au.ibm.com>
8445 * recog.c: Separate some functions with whitespace.
8447 2006-01-16 Richard Henderson <rth@redhat.com>
8449 Merge from gomp branch:
8450 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8451 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8452 and rename from struct inline_data. Rename callee* to dst*;
8453 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8454 transform_new_cfg, transform_return_to_modify, and
8455 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8457 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8458 (copy_decl_for_dup): Remove.
8459 * tree-inline.c (struct inline_data): Move to header.
8460 (insert_decl_map): Export.
8461 (remap_decl): Update for member name changes. Use copy_decl hook.
8462 Allow for replacement to be a non-decl. Remove dead code.
8463 (remap_type_1): Check for existing mapping.
8464 (remap_type): Export.
8465 (remap_decls): Update for member name changes.
8466 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8467 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8468 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8469 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8470 (tree_function_versioning, build_duplicate_type): Likewise.
8471 (copy_body_r): Likewise. Export.
8472 (copy_decl_for_dup): Split into ...
8473 (copy_decl_for_dup_finish, copy_decl_to_var,
8474 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8475 (replace_ref_tree, inlining_p): Remove.
8477 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8479 * ifcvt.c (if_convert): Make it static.
8480 * rtl.h: Remove the prototype for if_convert.
8482 * local-alloc.c (local_alloc): Make it static.
8483 * rtl.h: Remove the prototype for local_alloc.
8485 * loop.c (loop_optimize): Make it static.
8486 * cfgloop.h: Remove the prototype for loop_optimize.
8489 2006-01-16 DJ Delorie <dj@redhat.com>
8491 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8494 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8496 * pa.md: Disparage copies between general and floating-point registers
8497 in 32-bit move patterns.
8499 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8502 * Makefile.in (check-%): Depend on site.exp instead of
8503 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8506 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8508 * global.c (global_alloc): Make it static.
8509 * rtl.h: Remove the prototype for global_alloc.
8511 2006-01-16 Richard Guenther <rguenther@suse.de>
8513 * tree-ssa-alias.c (struct used_part): Add write_only field.
8514 (get_or_create_used_part_for): Initialize it to true.
8515 (create_overlap_variables_for): Don't create structure variables
8516 for structures that only are written to.
8517 (find_used_portions): Handle MODIFY_EXPR to track whether a
8518 structure is only written to.
8520 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8522 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8524 * basic-block.h: Remove the prototype for
8525 partition_hot_cold_basic_blocks.
8527 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8529 * cppspec.c (lang_specific_spec_functions): Remove.
8530 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8531 * gcc.h (lang_specific_spec_functions): Remove.
8532 * gccspec.c (lang_specific_spec_functions): Remove.
8534 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8536 * combine.c (record_value_for_reg): Invalidate registers
8538 (record_dead_and_set_regs_1): Likewise, by passing them to
8539 record_value_for_reg.
8540 (record_dead_and_set_regs): Invalidate stores made by a
8541 call. We do not combine across a call, but we still
8542 relied on equivalences.
8544 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8546 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8547 vrp_int_const_binop returning non-constant nodes.
8549 2006-01-16 Paul Brook <paul@codesourcery.com>
8551 * config/m68k/m68k.c (output_move_const_into_data_reg):
8552 Output correct mnemonic for mvz and mvs.
8554 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8556 * rtl-factoring.c: Add sequence abstraction algorithm.
8557 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8558 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8560 (block_has_preserve_label): New function.
8561 * common.opt: Register new pass.
8562 * Makefile.in: Ditto.
8564 * timevar.def: Ditto.
8565 * tree-pass.h: Ditto.
8566 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8567 * rtl.h (make_jump_insn_raw): Add forward decl.
8568 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8570 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8571 Roger Sayle <roger@eyesopen.com>
8573 * fold-const.c (fold_minmax): New static function.
8574 (fold_binary) <MIN_EXPR>: Call it.
8575 <MAX_EXPR>: Likewise.
8576 * stor-layout.c (place_field): Use DECL_SIZE consistently
8577 in the computation of the new record size.
8579 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8581 * cse.c (cse_condition_code_reg): Make it static.
8582 * rtl.h: Remove the prototype for cse_condition_code_reg.
8584 * combine.c (combine_instructions): Make it static.
8585 * rtl.h: Remove the prototype for combine_instructions.
8587 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8590 * tree.c (get_file_function_name_long): Concatenate the first global
8591 object name with a string derived from the input filename of the object
8594 2006-01-16 Ben Elliston <bje@au.ibm.com>
8596 * config/i386/winnt-stubs.c: Update FSF address.
8597 * config/xtensa/ieee754-df.S: Ditto.
8598 * config/xtensa/ieee754-sf.S: Ditto.
8600 2006-01-14 Ian Lance Taylor <ian@airs.com>
8602 * ifcvt.c (noce_init_if_info): New static function, broken out of
8603 noce_process_if_block.
8604 (noce_process_if_block): Call noce_init_if_info.
8605 (check_cond_move_block): New static function.
8606 (cond_move_process_if_block): New static function.
8607 (process_if_block): Call cond_move_process_if_block.
8609 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8611 * cselib.c (hash_table): Rename to cselib_hash_table.
8612 (cselib_clear_table, discard_useless_values,
8613 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8614 cselib_init, cselib_finish): Adjust uses of hash_table.
8616 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8618 PR tree-optimization/25485
8619 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8620 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8621 is known to be false and true, respectively.
8623 2006-01-14 Richard Guenther <rguenther@suse.de>
8625 PR tree-optimization/22548
8626 PR tree-optimization/22555
8627 PR tree-optimization/22501
8628 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8629 * params.def (salias-max-array-elements): New parameter.
8630 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8631 * doc/invoke.texi (salias-max-array-elements): Document.
8632 * tree-flow-inline.h (var_can_have_subvars): We also handle
8634 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8636 * tree-ssa-structalias.c (params.h): Include.
8637 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8638 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8639 (get_constraint_for): For ADDR_EXPR operating on something
8640 containing an ARRAY_REF, add all subvars to the solution.
8641 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8642 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8643 for creating MUST_DEFs.
8644 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8646 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8648 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8650 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8651 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8652 number_of_iterations_le): New functions.
8653 (number_of_iterations_special): Removed.
8654 (number_of_iterations_exit): Do not use number_of_iterations_special.
8655 * tree.c (unsigned_type_for): Always return integer type.
8657 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8658 Richard Guenther <rguenther@suse.de>
8660 PR rtl-optimization/24257
8661 * gcse.c (find_moveable_store): Only consider a store movable
8662 when the SET_SRC of the insn can be assigned to a register.
8664 2006-01-14 Ian Lance Taylor <ian@airs.com>
8666 * tree.c (tree_not_class_check_failed): New function.
8667 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8668 (tree_not_class_check_failed): Declare.
8670 2006-01-13 Ian Lance Taylor <ian@airs.com>
8672 * reload1.c (do_output_reload): Add assertion rejecting a
8675 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8677 * combine.c (struct reg_stat): Add new fields truncation_label and
8679 (record_value_for_reg): Reset truncated_to_mode.
8680 (record_truncated_value): New function.
8681 (check_promoted_subreg): Call it. Rename to check_conversions.
8682 (combine_instructions): Rename check_promoted_subreg to
8684 (reg_truncated_to_mode): New function.
8685 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8686 (gen_lowpart_or_truncate): New function.
8687 (force_to_mode): Use it instead of gen_lowpart.
8689 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8691 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8692 VAR is a tag, not its type tag.
8694 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8696 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8697 alternatives to match style of other entries.
8698 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8700 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8702 PR tree-optimization/25771
8703 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8706 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8709 * tree-inline.c (declare_return_variable): If the return variable
8710 was marked as a non gimple complex, set the return slot variable
8711 to be a non gimple comple variable.
8713 2006-01-13 Richard Guenther <rguenther@suse.de>
8715 * builtins.c (expand_builtin_sincos): New function.
8716 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8718 (expand_builtin): Expand sincos using expand_builtin_sincos.
8720 2006-01-12 DJ Delorie <dj@redhat.com>
8722 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8723 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8724 so that constant shifts can be split.
8725 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8726 (m32c_valid_pointer_mode): Make static.
8727 (shift_gen_func_for): New.
8728 (m32c_prepare_shift): Use it. Split large const shifts into
8730 * config/m32c/predicates.md (shiftcount_operand): Allow more
8732 (longshiftcount_operand): New.
8733 * doc/md.texi (Machine Constraints): Document In6.
8735 2006-01-13 Ben Elliston <bje@au.ibm.com>
8737 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8738 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8741 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8743 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8744 to try to avoid clobbering pieces of structures when we know
8745 something about the whole structure.
8746 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8748 2006-01-13 Ben Elliston <bje@au.ibm.com>
8750 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8751 return in memory, as this is no limitation is no longer present.
8753 2006-01-12 DJ Delorie <dj@redhat.com>
8755 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8756 mova with fb, and for fb+0 -> An.
8758 * config/m32c/mov.md (peephole2): Fix enabling logic.
8760 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8761 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8762 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8763 FINI_ARRAY_SECTION_ASM_OP): Define.
8765 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8767 (m32c_legitimize_reload_address): New logic to reload FB to An.
8768 (m32c_output_reg_push): Add newline.
8769 (m32c_output_reg_pop): Likewise.
8771 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8773 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8775 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8777 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8779 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8781 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8784 2006-01-11 Ben Elliston <bje@au.ibm.com>
8786 * rtlanal.c (find_reg_note): Assert insn is not null.
8788 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8790 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8793 2006-01-11 Jeff Law <law@redhat.com>
8795 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8797 (mark_threaded_blocks, register_jump_thread): New functions.
8798 (thread_through_all_blocks): Remove unwanted argument. No
8799 longer rely on e->aux to communicate thread target info.
8800 Call mark_threaded_blocks. Release the threaded_blocks
8801 bitmap and threaded_edges vector when complete.
8802 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8803 (threaded_blocks): Remove.
8804 (tree_ssa_dominator_optimize): Remove initialization and
8805 finalization of threaded_blocks. Simplify call to
8806 thread_through_all_blocks.
8807 (thread_across_edge): Call register_jump_thread rather than
8808 storing thread information into e->aux.
8809 (free_all_edge_infos): Simplify now that e->aux is no longer
8810 used to communicate with thread_through_all_blocks.
8811 * tree-flow.h (thread_through_all_blocks): Update prototype.
8812 (register_jump_thread): Prototype.
8814 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8816 * df-core.c (df_compact_blocks, df_bb_replace): Use
8817 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8819 2006-01-11 Richard Guenther <rguenther@suse.de>
8821 PR tree-optimization/25734
8822 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8823 stop propagation after successful propagation to the LHS.
8825 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8827 * basic-block.h (control_flow_graph): Change the type of
8828 x_basic_block_info to VEC(basic_block,gc) *.
8829 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8831 (SET_BASIC_BLOCK): New.
8832 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8833 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8834 * cfgbuild.c (find_basic_blocks): Likewise.
8835 * cfglayout.c (fixup_reorder_chain): Likewise.
8836 * cfgrtl.c (create_basic_block_structure,
8837 rtl_create_basic_block): Likewise.
8838 * ifcvt.c (find_if_case_1): Likewise.
8839 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8842 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8844 * Makefile.in: Removed rotted odf.c entry.
8846 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8849 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8850 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8851 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8852 output pattern modifier, not %e.
8853 * config/cris/cris.c (cris_op_str): Update comment about pattern
8855 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8856 before falling through into...
8857 <case 'E'>: Redefined from old 'e' case.
8859 2006-01-11 Jan Hubicka <jh@suse.cz>
8862 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8864 2006-01-11 Jan Hubicka <jh@suse.cz>
8866 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8867 * i386.c (x86_decompose_lea): Kill.
8868 (ix86_rtx_costs): Kill.
8870 2006-01-11 Jan Hubicka <jh@suse.cz>
8872 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8873 * cgraph.h (cgraph_node): Add inline_decl.
8874 (cgraph_insert_node_to_hashtable): Declare.
8875 (save_inline_function_body): Declare.
8876 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8878 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8879 (cgraph_function_versioning): Update call of tree_function_versioning.
8880 (save_inline_function_body): New function.
8881 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8882 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8883 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8884 (cgraph_default_inline_p): Likewise.
8885 (cgraph_decide_inlining_incrementally): Likewise.
8886 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8887 (copy_bb): Kill saving; do updating of clones.
8888 (copy_cfg_body): Kill saving.
8889 (initialize_inlined-parameters): Likewise.
8890 (expand_call_inline): Likewise.
8892 (tree_function_versioning): New parameter "update_clones".
8893 (inlining_p): Kill saving.
8894 * tree-inline.h (tree_function_versioning): Update prototype.
8895 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8898 2006-01-11 Ian Lance Taylor <ian@airs.com>
8900 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8901 Allow undoing set of machine mode.
8902 (do_SUBST): Use enums instead of is_int.
8903 (do_SUBST_MODE): New function.
8904 (SUBST_MODE): New macro.
8905 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8906 reg and trying to replace reg_regno_rtx with a new register.
8907 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8908 (simplify_set): Use SUBST_MODE.
8909 (distribute_notes): Remove code that tried to update reg notes
8910 for regno_reg_rtx changes.
8912 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8914 PR tree-optimization/23109
8915 PR tree-optimization/23948
8916 PR tree-optimization/24123
8918 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8919 * tree-cfg.c (single_noncomplex_succ): New.
8920 * tree-flow.h (single_noncomplex_succ): Declare it.
8921 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8922 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8923 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8924 insert_bb, register_division_in, insert_reciprocals,
8925 replace_reciprocal, free_bb): New.
8926 (execute_cse_reciprocals_1): Rewritten.
8927 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8928 Do not commit any edge insertion. Always compute dominators and
8929 create the allocation pool.
8930 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8931 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8932 * targhooks.c (default_min_divistions_for_recip_mul): New.
8933 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8934 * passes.c (init_optimization_passes): Run recip after tree loop
8936 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8938 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8939 Kenneth Zadeck <zadeck@naturalbridge.com>
8941 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8942 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8943 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8944 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8945 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8946 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8947 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8948 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8949 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8950 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8951 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8952 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8953 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8954 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8955 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8956 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8957 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8958 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8959 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8960 DF_SCAN_POST_ALLOC): New macros.
8961 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8962 df_free_bb_function, df_local_compute_function, df_init_function,
8963 df_dataflow_function, df_confluence_function_0,
8964 df_confluence_function_n, df_transfer_function,
8965 df_finalizer_function, df_free_function, df_dump_problem_function,
8966 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8967 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8968 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8969 df_urec_bb_info, ) New types.
8970 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8972 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8973 df_analyze_simple_change_some_blocks,
8974 df_analyze_simple_change_one_block, df_compact_blocks,
8975 df_bb_replace, df_bb_regno_last_use_find,
8976 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8977 df_insn_regno_def_p, df_find_def, df_find_use,
8978 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8979 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8980 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8981 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8982 debug_df_chain, df_get_dependent_problem, df_chain_create,
8983 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8984 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8985 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8986 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8987 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8988 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8989 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8990 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8991 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8992 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8993 df_reorganize_refs, df_set_state, df_hard_reg_init,
8994 df_read_modify_subreg_p) New public functions.
8995 * df-core.c: The core dataflow solver and glue routines for rtl
8997 (df_init, df_add_problem, df_set_blocks, df_finish,
8998 df_hybrid_search_forward, df_hybrid_search_backward,
8999 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9000 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9001 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9002 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9003 df_reg_defined, df_find_use, df_reg_used, df_dump,
9004 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9005 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9006 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9007 debug_df_useno, reset_df_after_reload): New functions.
9008 * df-scan.c: The scanning fuctions, once in df.c, completely
9009 rewritten so that they now fully model the functionality of
9010 register usage at the backend.
9011 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9012 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9013 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9014 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9015 df_get_artificial_defs, df_get_artificial_uses,
9016 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9017 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9018 df_refs_delete, df_reorganize_refs, df_set_state,
9019 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9020 df_def_record_1, df_defs_record, df_uses_record,
9021 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9022 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9023 df_record_exit_block_uses, df_hard_reg_init): New functions.
9025 * df-problems.c: Seven concrete dataflow problems that use the
9026 scanning in df-scan.c and are solved by the engine in df-core.c.
9027 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9028 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9029 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9030 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9031 df_ru_free_bb_info, df_ru_alloc,
9032 df_ru_bb_local_compute_process_def,
9033 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9034 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9035 df_ru_transfer_function, df_ru_free, df_ru_dump,
9036 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9037 df_rd_free_bb_info, df_rd_alloc,
9038 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9039 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9040 df_rd_transfer_function, df_rd_free, df_rd_dump,
9041 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9042 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9043 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9044 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9045 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9046 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9047 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9048 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9049 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9050 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9051 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9052 df_urec_mark_reg_use_for_earlyclobber,
9053 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9054 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9055 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9056 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9057 df_chain_create_bb_process_use, df_chain_create_bb,
9058 df_chain_finalize, df_chain_free, df_chains_dump,
9059 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9060 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9061 df_reg_lifetime): New functions.
9062 * df.c: Deleted file.
9063 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9064 consistent with new df api.
9065 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9066 rest_of_handle_sms): Ditto.
9067 * web.c (unionfind_union, union_defs, entry_register, web_main):
9069 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9070 invariant_expr_equal_p, find_defs, check_dependencies,
9071 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9072 free_inv_motion_data, move_loop_invariants): Ditto.
9073 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9074 Update dependencies.
9075 (odf.c): Added defective entry that was deleted later in day.
9076 * sched-deps.c (sched_analyze_1): Ditto.
9078 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9080 * tree-ssa-operands.c (get_expr_operands): Record addressable
9081 variables directly. Do not call add_stmt_operands for CONST_DECLs
9083 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9084 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9086 2006-01-11 Ben Elliston <bje@au.ibm.com>
9088 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9089 function returns true in the positive case.
9091 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9094 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9095 for SI, DI, SF and DF modes. Add alternatives to copy between
9096 general and floating point registers to the 32-bit patterns.
9097 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9098 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9099 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9100 generating 64-bit code.
9101 * config/pa/pa.c (output_move_double): Handle copies between general
9102 and floating registers.
9104 2006-01-10 Stuart Hastings <stuart@apple.com>
9106 * config/i386/i386.md (set_got): Update.
9107 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9108 (builtin_setjmp_receiver): Mach-O support.
9109 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9110 (GOT_SYMBOL_NAME): Define.
9111 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9112 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9113 * config/i386/i386.c (override_options): Revise for Darwin.
9114 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9115 support. (darwin_x86_file_end): New. (output_set_got): Add label
9116 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9117 * config/i386/i386-protos.h (output_set_got): Likewise.
9118 * config/darwin.c (machopic_legitimize_pic_address): Update
9121 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9123 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9124 when MODE isn't BLKmode.
9126 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9128 PR rtl-optimization/25367
9129 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9131 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9134 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9135 for a negative bound.
9137 2006-01-10 Richard Guenther <rguenther@suse.de>
9139 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9140 Never override with anything constraint.
9142 2006-01-10 Jan Beulich <jbeulich@novell.com>
9144 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9145 256 bits when optimize_size.
9147 2006-01-10 Jan Beulich <jbeulich@novell.com>
9149 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9151 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9152 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9155 2006-01-10 Ben Elliston <bje@au.ibm.com>
9157 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9159 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9160 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9161 (USE_FP_FOR_ARG): Reject decimal float modes.
9162 (function_arg_advance): Likewise.
9163 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9164 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9165 point types in AltiVec vectors.
9166 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9167 (rs6000_libcall_value): Likewise.
9169 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9171 * config/xtensa/ieee754-df.S: New file.
9172 * config/xtensa/ieee754-sf.S: New file.
9173 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9174 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9175 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9177 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9179 * config/sh/predicates.md (binary_float_operator,
9180 binary_logical_operator, commutative_float_operator,
9181 equality_comparison_operator, greater_comparison_operator,
9182 less_comparison_operator, logical_operator,
9183 noncommutative_float_operator, shift_operator,
9184 symbol_ref_operand, unary_float_operator): Remove redundant
9187 2006-01-09 Jeff Law <law@redhat.com>
9189 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9190 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9191 now unused arguments. Callers updated.
9192 (eliminate_redundant_computations): Remove now unused arguments,
9194 (local_fold): Remove, no longer used.
9195 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9197 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9198 (simplify_cond): New function.
9199 (forward_propagate_into_cond): Call simplify_cond.
9201 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9203 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9204 (*vec_extractv2di_1_sse): New.
9206 2006-01-09 Ben Elliston <bje@au.ibm.com>
9208 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9210 2006-01-08 Richard Guenther <rguenther@suse.de>
9212 * tree-ssa-structalias.c (get_constraint_for): Remove
9214 (get_constraint_for_component_ref): Likewise.
9215 (do_deref): Likewise.
9216 (get_constraint_for): Likewise.
9217 (do_structure_copy): Likewise.
9218 (handle_ptr_arith): Likewise.
9219 (find_func_aliases): Likewise. Remove unused need_anyoffset
9222 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9223 Kaz Kojima <kkojima@gcc.gnu.org>
9225 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9226 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9227 (EXTRA_CONSTRAINT_C16): Remove.
9228 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9229 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9230 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9231 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9232 constants of SHmedia. Handle nested constant expressions of
9234 (andcosts): Fix the costs for SHmedia constants.
9235 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9236 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9237 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9238 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9239 (movv4hi_i, movv2si_i): Likewise.
9240 (movsi_const): Adjust the second operand of ior so to match with
9242 (movdi_const, movdi_const_32bit): Likewise.
9243 (movdi_const_16bit+1): Don't sign-extend LOW.
9244 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9246 (*double_shori): Fix the split condition. Use GEN_INT instead
9247 of get_int_mode calls. Mask lower 16-bit of the argument of
9249 (sym2GOTPLT): Remove.
9250 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9252 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9253 instead of EXTRA_CONSTRAINT_C16.
9255 2006-01-07 Ian Lance Taylor <ian@airs.com>
9256 David Edelsohn <edelsohn@gnu.org>
9258 PR rtl-optimization/25662
9259 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9260 for constant operands instead of simplify_gen_binary.
9261 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9262 after trying simplify_binary_operation
9264 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9266 * tree.c (iterative_hash_expr): Hash decls based on UID.
9268 2006-01-06 Eric Christopher <echristo@apple.com>
9270 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9271 (TARGET_UNWIND_EMIT): Fix spelling.
9272 * target.h (gcc_target): Add except_table_label.
9273 * except.c (output_function_exception_table): Use.
9274 * varasm.c (default_emit_except_table_label): New.
9275 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9277 (asm_out): Add here.
9278 * output.h (default_emit_except_table_label): Prototype.
9279 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9280 * config/darwin.c (darwin_emit_except_table_label): Define.
9281 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9283 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9285 PR tree-optimization/18527
9286 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9287 number_of_iterations_special, number_of_iterations_exit):
9288 Move base and step of an iv to a single structure. Add
9289 no_overflow flag, and use it in # of iterations analysis.
9290 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9291 folded_casts argument.
9292 (simple_iv): Pass base and step in a structure. Set no_overflow
9294 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9295 Evaluate expensiveness of computing # of iterations instead of
9296 the final expression.
9297 * tree-scalar-evolution.h (affine_iv): New structure.
9298 (simple_iv): Declaration changed.
9299 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9300 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9301 find_givs_in_stmt): Changed due to simple_iv change.
9303 2006-01-06 Jeff Law <law@redhat.com>
9306 * tree-cfg.c (bsi_replace): Rename final argument from
9307 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9308 change (stmt -> orig_stmt).
9309 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9310 (bsi_remove): Add new argument. Remove EH information
9312 (verify_eh_throw_table_statements): New function.
9313 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9315 * tree-optimize.c (execute_free_cfg_annotations): Verify
9316 the EH throw statement table after removing annotations.
9317 * except.h (verify_eh_throw_table_statements): Prototype.
9318 * tree-flow.h (bsi_remove): Update prototype.
9319 * tree-vrp.c (remove_range_assertions): Add new argument to
9321 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9322 * tree-complex.c (expand_complex_div_wide): Likewise.
9323 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9324 * tree-tailcall.c (eliminate_tailcall): Likewise.
9325 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9326 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9327 * tree-nrv.c (tree_nrv): Likewise.
9328 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9329 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9330 (combine_blocks): Likewise.
9331 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9332 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9333 (cleanup_control_flow): Likewise.
9334 (remove_forwarder_block): Likewise.
9335 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9336 * tree-sra.c (sra_replace): Likewise.
9337 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9338 (forward_propagate_single_use_vars): Likewise.
9339 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9340 * tree-inline.c (expand_call_inline): Likewise.
9341 * tree-vect-transform.c (vect_transform_loop): Likewise.
9342 * tree-outof-ssa.c (rewrite_trees): Likewise.
9343 * tree-cfg.c (make_goto_expr_edges): Likewise.
9344 (cleanup_dead_labels): Likewise.
9345 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9346 (bsi_move_before, bsi_move_after): Likewise.
9347 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9348 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9350 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9353 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9355 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9356 on non gimple variables. Also add checks at the top for decls and
9358 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9360 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9361 and IMAGPART_EXPR for creating MUST_DEFs.
9362 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9363 and NAME_MEMORY_TAG separately from the DECLs.
9365 2006-01-06 Richard Guenther <rguenther@suse.de>
9367 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9368 annotation, if necessary.
9369 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9370 redundant calls to update_stmt.
9371 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9374 2006-01-05 Richard Henderson <rth@redhat.com>
9376 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9378 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9380 * c-typeck.c: Update copyright date.
9382 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9384 * c-typeck.c (build_c_cast): Always warn when casting
9385 from a pointer to an integer of different size, even if
9386 the node was constant.
9388 2006-01-05 Richard Guenther <rguenther@suse.de>
9390 PR tree-optimization/22555
9391 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9392 if one structure field is an array.
9393 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9394 operands even if we found a subvar, but ignore VOPs in this
9396 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9398 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9400 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9403 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9405 2006-01-05 Richard Guenther <rguenther@suse.de>
9406 Diego Novillo <dnovillo@redhat.com>
9408 * tree-pass.h (TODO_remove_unused_locals): Define.
9409 * gimple-low.c (expand_var_p, remove_useless_vars,
9410 pass_remove_useless_vars): Remove. Update all users.
9411 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9412 (remove_unused_locals): New function.
9413 * tree-flow.h (remove_unused_locals): Declare.
9414 * passes.c (execute_todo): Call remove_unused_locals if
9415 TODO_remove_unused_locals is set.
9416 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9417 * tree-ssa-dce.c (pass_dce): Likewise.
9418 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9420 2006-01-05 Richard Guenther <rguenther@suse.de>
9422 * tree-flow.h (struct fieldoff): Decompose field to
9423 type, size and decl.
9424 * tree-ssa-alias.c (create_sft): Take type as parameter.
9425 (create_overlap_variables_for): Store type, size and decl
9426 in the fieldoff structure.
9427 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9429 (push_fields_onto_fieldstack): Likewise.
9430 (create_variable_info_for): Likewise. Use offset for the
9431 SFT name if the decl is not available.
9433 2006-01-04 Paul Brook <paul@codesourcery.com>
9435 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9437 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9439 * lambda-code.c (can_put_in_inner_loop): Relax
9441 (can_put_after_inner_loop): New function.
9442 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9443 (perfect_nestify): Change to make copies and modify uses.
9445 2006-01-04 Richard Henderson <rth@redhat.com>
9447 Merge from gomp branch:
9448 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9449 via integer constant.
9450 (pragma_lex): Remove.
9451 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9452 rather than parsing it.
9453 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9454 handle_pragma_extern_prefix): Add %< %> quotes.
9455 (registered_pragmas): New.
9456 (c_register_pragma_1): New.
9457 (c_register_pragma): Use it.
9458 (c_register_pragma_with_expansion): Likewise.
9459 (c_invoke_pragma_handler): New.
9460 (init_pragma): Use cpp_register_deferred_pragma directly for
9462 * c-pragma.h (enum pragma_kind): New.
9463 (pragma_handler): New.
9464 (c_invoke_pragma_handler): Declare.
9465 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9467 * c-common.h (c_common_pch_pragma): Update decl.
9468 * Makefile.in (c-parser.o): Update dependencies.
9469 (GTFILES): Add c-pragma.h.
9470 * c-parser.c (struct c_token): Add pragma_kind.
9471 (struct c_parser): Add in_pragma.
9472 (c_lex_one_token): Always initialize keyword and pragma_kind.
9473 Extract data for CPP_PRAGMA.
9474 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9475 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9476 Don't allow CPP_PRAGMA_EOL if in_pragma.
9477 (c_parser_consume_pragma): New.
9478 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9479 (c_parser_skip_to_end_of_parameter): Likewise.
9480 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9481 (c_parser_skip_to_pragma_eol): New.
9482 (c_parser_external_declaration): Handle CPP_PRAGMA.
9483 (c_parser_compound_statement_nostart): Likewise.
9484 (c_parser_statement_after_labels): Likewise.
9485 (c_parser_pragma): New.
9486 (pragma_lex): Likewise.
9487 (c_parser_pragma_pch_preprocess): New.
9488 (c_parser_new): Merge into ...
9489 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9491 2006-01-04 Jeff Law <law@redhat.com>
9494 * tree-cfg.c (bsi_replace): Remove the original statement
9495 from the EH throw statement table.
9497 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9499 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9500 make the prototype extern "C" and add throw ().
9503 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9504 and pos non-negative and pos + len <= 32.
9505 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9506 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9507 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9510 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9511 as well as sizes not multiple of component size.
9514 * function.c (instantiate_expr): New function.
9515 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9516 walk its DECL_VALUE_EXPR with instantiate_expr.
9518 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9519 DW_OP_deref{,_size} if address isn't going to be added.
9521 2006-01-04 Ben Elliston <bje@au.ibm.com>
9523 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9524 * config/fp-bit.c: Likewise.
9526 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9528 * dominance.c: Add comment about why we use DFS numbering
9531 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9532 Richard Henderson <rth@redhat.com>
9534 Merge from gomp-branch:
9535 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9536 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9538 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9540 PR rtl-optimization/25578
9541 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9542 pass a parameter to simplify_shift_const if changing ASHIFTRT
9545 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9547 * builtins.c (get_builtin_sync_mem): New function.
9548 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9549 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9550 Call get_builtin_sync_mem to generate mem rtx.
9552 2006-01-03 Richard Guenther <rguenther@suse.de>
9555 * stmt.c (add_case_node): Make sure to clear overflow flags
9558 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9560 Merge from gomp-branch.
9561 * config/sparc/sync.md: New file.
9562 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9563 UNSPECV_LDSTUB): New constants.
9564 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9565 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9566 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9569 2006-01-03 Roger Sayle <roger@eyesopen.com>
9571 * combine.c (reg_subword_p): New predicate to test whether the
9572 destination of a set refers to a subword/piece of a register.
9573 (try_combine): Generalize the code to merge the setting of a
9574 pseudo to a constant followed by a set of a subword of that
9575 register to a constant.
9577 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9579 * basic-block.h (control_flow_graph): Change the type of
9580 x_label_to_block_map to VEC(basic_block,gc) *.
9581 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9582 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9584 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9585 VEC(basic_block,heap) *.
9586 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9587 ssa_prop_fini): Adjust the uses of cfg_blocks.
9589 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9591 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9593 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9594 hashing trees instead of a pointer hash.
9595 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9596 compare for MEM_EXPR.
9598 PR rtl-optimization/25130
9599 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9600 when comparing MEMs for GCSE
9602 2006-01-03 Ben Elliston <bje@au.ibm.com>
9604 * targhooks.h (default_decimal_float_supported_p): Declare.
9605 * targhooks.c (default_decimal_float_supported_p): Define.
9606 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9607 `default_decimal_float_supported_p'.
9608 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9610 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9612 * combine.c (apply_distributive_law <SUBREG>): Check
9613 TRULY_NOOP_TRUNCATION.
9615 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9617 * dwarf2out.c (have_switched_text_section): Delete.
9618 (have_multiple_function_sections): New.
9619 (have_location_lists): Make 'bool'.
9620 (add_AT_loc_list): Use 'true' not '1'.
9621 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9622 (output_loc_list): Use have_multiple_function_sections.
9623 (output_ranges): Likewise.
9624 (dwarf2out_begin_function): Set have_multiple_function_sections if
9626 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9627 Check function_section rather than DECL_SECTION_NAME.
9628 (dwarf2out_finish): Use have_multiple_function_sections.
9629 Don't clear have_location_lists.
9631 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9632 Jan Hubicka <jh@suse.cz>
9634 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9635 case of conditional jump jumping to the next instruction.
9636 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9637 cases of conditional jump jumping to the next instruction.
9639 2006-01-02 Jan Hubicka <jh@suse.cz>
9641 * i386.c (*_cost): Add COSTS_N_INSNS.
9642 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9644 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9647 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9649 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9651 * config/arm/arm.c (all_fpus): Fix comment typo.
9652 * config/darwin.c: Likewise.
9653 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9654 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9655 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9657 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9659 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9660 (rs6000_split_compare_and_swapqhi): New.
9661 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9662 (sync_compare_and_swapqhi_internal): New.
9663 * config/rs6000/rs6000-protos.h: Declare.